IQ Test: Hardest Quiz! Trivia
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What is the source of light for the solar system?
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The Moon
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The Sun
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Earth
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Challenge your cognitive skills with the 'IQ Test: Hardest Quiz! Trivia', featuring puzzles on logical reasoning, mathematical problems, and analogical skills. This quiz assesses critical thinking and problem-solving abilities, making it ideal for learners seeking to test their intellectual prowess.
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- 2.
Who is the Biggest Fool?
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1
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2
Correct Answer
A. 1 -
- 3.
Listening to Music can be fun if you have a pair of?
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Option 1
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Speakers
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Microphone
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Telephone
Correct Answer
A. SpeakersExplanation
Listening to music can be fun if you have a pair of speakers because speakers are the devices that produce sound and allow us to hear the music. Without speakers, the music would not be audible and the listening experience would not be enjoyable.Rate this question:
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- 4.
Lina’s Father have five (05) sons.
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Zeza
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Zeez
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Zuze
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Zeiz
Correct Answer
A. ZuzeExplanation
The correct answer is Zuze because the question states that Lina's father has five sons, and the names listed are Zeza, Zeez, Zuze, and Zeiz. Therefore, Zuze is one of the sons and the correct answer.Rate this question:
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- 5.
By removing 6 letters from the word motherhood the word ______ can be formed?
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Home
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That
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Dare
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Hide
Correct Answer
A. HomeExplanation
By removing the letters "m", "o", "t", "h", "e", and "r" from the word "motherhood", the word "home" can be formed.Rate this question:
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- 6.
Which Vitamin is Abundant in Citrus fruits?
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Vitamin-A
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Vitamin-B
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Vitamin-C
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Vitamin-D
Correct Answer
A. Vitamin-CExplanation
Citrus fruits are known for their high content of Vitamin C. This vitamin is essential for the growth and repair of body tissues, as well as for boosting the immune system. Citrus fruits such as oranges, lemons, and grapefruits are excellent sources of Vitamin C, making it the abundant vitamin in these fruits. Vitamin A, B, and D are found in other food sources and have different roles in the body.Rate this question:
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- 7.
What is the name of this device?
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Fire Execution
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Fire Extinguisher
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Cylinder Gas
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Cylinder Bottle
Correct Answer
A. Fire ExtinguisherExplanation
The correct answer is "Fire Extinguisher" because it is the device used to extinguish or control small fires. It contains a pressurized substance, such as foam or water, that is sprayed onto the fire to suppress it. The other options, "Fire Execution," "Cylinder Gas," and "Cylinder Bottle," do not accurately describe the device in question.Rate this question:
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- 8.
How many people are in this picture?
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3
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4
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5
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6
Correct Answer
A. 5Explanation
There are five people in the picture.Rate this question:
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- 9.
Who is the inventor of Facebook?
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Mark Zohansberg
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Tim Barners Lee
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Donald Tramp
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Mark Zuckerberg
Correct Answer
A. Mark ZuckerbergExplanation
Mark Zuckerberg is the correct answer because he is widely recognized as the inventor of Facebook. He co-founded the social media platform in 2004 while he was a student at Harvard University. Zuckerberg played a crucial role in developing the initial concept, coding, and launching the website, which has since become one of the most popular and influential social networking platforms in the world.Rate this question:
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- 10.
Cable is the Medium of?
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Wireless Communication
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Wired Communication
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Bluetooth Communication
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Wi-Fi Communication.
Correct Answer
A. Wired CommunicationExplanation
The correct answer is "Wired Communication". Cable is commonly used to transmit data and signals through physical connections, such as Ethernet cables for internet connections or coaxial cables for television signals. Unlike wireless communication, which uses electromagnetic waves to transmit data without the need for physical connections, wired communication relies on cables to transmit information.Rate this question:
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- 11.
Which glass has most water?
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A
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B
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C
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D
Correct Answer
A. B -
- 12.
X = 4 y = 6 z = 12 2y + 4x = 2z?
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True
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False
Correct Answer
A. FalseExplanation
The equation given is 2y + 4x = 2z. Substituting the given values of x, y, and z, we have 2(6) + 4(4) = 2(12). Simplifying this equation, we get 12 + 16 = 24, which is not true. Therefore, the answer is false.Rate this question:
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- 13.
CPU Stands for?
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Central Processing Union
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Central Processing Unit
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Center Processing Unit
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Computer Processing Unit
Correct Answer
A. Central Processing UnitExplanation
The correct answer is "Central Processing Unit". The CPU is the main component of a computer system that performs most of the processing inside the computer. It is responsible for executing instructions, performing calculations, and managing the flow of data between different parts of the computer. The CPU is often referred to as the "brain" of the computer, as it carries out the majority of the computer's operations.Rate this question:
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- 14.
4 cats, 6 people, and 3 dogs have how many legs?
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42
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46
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40
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36
Correct Answer
A. 40Explanation
There are 4 cats, each having 4 legs, which totals to 16 legs. There are 6 people, each having 2 legs, which totals to 12 legs. There are 3 dogs, each having 4 legs, which totals to 12 legs. Adding up the legs of all the animals and people, we get 16 + 12 + 12 = 40 legs in total.Rate this question:
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- 15.
Left is to right As Horizontal is to?
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Below
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Middle
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Down
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Vertical
Correct Answer
A. VerticalExplanation
The relationship between left and right is that they are opposite directions on a horizontal plane. Similarly, the relationship between horizontal and vertical is that they are opposite directions on a vertical plane. Therefore, the correct answer is "Vertical".Rate this question:
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- 16.
Which is Professional Network but not Social Network?
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Twitter
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Facebook
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Youtube
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Linkedin
Correct Answer
A. LinkedinExplanation
Linkedin is a professional network that is specifically designed for professionals to connect, network, and showcase their skills and experiences. Unlike social networks such as Twitter, Facebook, and Youtube, Linkedin focuses on professional interactions and career development rather than personal connections and socializing. Therefore, Linkedin can be considered a professional network rather than a social network.Rate this question:
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- 17.
Which vowel comes midway between J and T?
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E
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I
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O
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U
Correct Answer
A. OExplanation
The vowel that comes midway between J and T is O. In the English alphabet, there are 5 vowels: A, E, I, O, and U. When arranging them alphabetically, O is the vowel that comes after J and before T. Therefore, O is the correct answer.Rate this question:
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- 18.
The Approximate value of Pi is?
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3.1415
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2.1415
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3.5456
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0.3.565
Correct Answer
A. 3.1415Explanation
The approximate value of Pi is 3.1415. This value is commonly used to represent Pi, which is the mathematical constant representing the ratio of a circle's circumference to its diameter. It is a widely recognized and commonly used approximation of Pi in many mathematical and scientific calculations.Rate this question:
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- 19.
How many vowels appear in this question?
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13
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6
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9
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14
Correct Answer
A. 13Explanation
The correct answer is 13 because there are 13 vowels (a, e, i, o, u) in the question.Rate this question:
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- 20.
The 18th letter of the alphabet is:
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L
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R
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S
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T
Correct Answer
A. RExplanation
The 18th letter of the alphabet is R.Rate this question:
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- 21.
Google drive is a...
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File storage device
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Instant messaging service
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Video hosting service
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Web hosting service
Correct Answer
A. File storage deviceExplanation
Google Drive is a file storage device that allows users to store and access their files and documents online. It provides a cloud-based storage solution where users can upload, store, and share files such as documents, photos, videos, and more. With Google Drive, users can access their files from any device with an internet connection, making it a convenient and reliable option for file storage and management.Rate this question:
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- 22.
A dog will find prey by picking up the ______of the animal.
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Sent
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Scent
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Cent
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Ernt
Correct Answer
A. ScentExplanation
Dogs have a highly developed sense of smell, which allows them to detect scents that humans cannot. They are able to pick up the scent of animals, including their prey, by using their olfactory receptors. This enables them to track and locate their target, making scent the correct answer in this context.Rate this question:
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- 23.
Library is to Books, as Book is to what?
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Cover
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Pages
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Entertainment
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Black
Correct Answer
A. PagesExplanation
In this analogy, the relationship between a library and books is being compared to the relationship between a book and its parts. A library contains multiple books, just as a book contains multiple pages. Therefore, the correct answer is "Pages."Rate this question:
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- 24.
If a circle is one, how many is an octagon?
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2
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4
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6
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8
Correct Answer
A. 8Explanation
The question is asking for the number of sides in an octagon, given that a circle is one. Since a circle has no sides, it cannot be used as a reference point. Therefore, an octagon has 8 sides.Rate this question:
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- 25.
What is the time Zone of Asia/Dhaka region?
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UTC + 08:00
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GMT + 6
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GMT -6
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UTC -06.00
Correct Answer
A. GMT + 6Explanation
The time zone of the Asia/Dhaka region is GMT + 6. This means that the local time in Dhaka is 6 hours ahead of Greenwich Mean Time (GMT).Rate this question:
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- 26.
What color do we get if we mix red and blue?
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Green
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Purple
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Pink
Correct Answer
A. PurpleExplanation
When red and blue are mixed together, the resulting color is purple. This is because red is a primary color and blue is a primary color, and when primary colors are mixed, they create secondary colors. In this case, red and blue combine to form purple.Rate this question:
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- 27.
Which figure follows the sequence?
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A
-
B
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C
Correct Answer
A. A -
- 28.
What is the name of National Parliament of Bangladesh?
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Bidhan Sova
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Jatiyo Shangshad
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Rajjo Sova
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Lok Sova
Correct Answer
A. Jatiyo ShangshadExplanation
The correct answer is Jatiyo Shangshad. Jatiyo Shangshad is the name of the National Parliament of Bangladesh. It is the supreme legislative body of the country and consists of 350 members, known as Members of Parliament (MPs), who are elected by the people through a general election. The Jatiyo Shangshad is responsible for making and passing laws, overseeing the government's activities, and representing the interests of the citizens of Bangladesh.Rate this question:
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- 29.
What is the voltage of electricity of our country?
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200 Volt
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220 Volt
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240 Volt
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260 Volt
Correct Answer
A. 220 VoltExplanation
The voltage of electricity in our country is 220 Volt.Rate this question:
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- 30.
What will be the correct answer?
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60
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70
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80
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90
Correct Answer
A. 70Explanation
The correct answer is 70 because it is the only option that is different from the other numbers. The pattern in the given options is that each number is increasing by 10, except for 70 which is different from this pattern.Rate this question:
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- 31.
Which Door is Safe?
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First Door
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Middle Door
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Last Door
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None
Correct Answer
A. Middle DoorExplanation
The middle door is the safe door because it is the only door that is explicitly stated to be safe in the given options. The question does not provide any additional information or context to suggest that any other door might be safe. Therefore, we can conclude that the middle door is the correct answer.Rate this question:
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- 32.
Which is Social Network but not Professional Network?
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GP Network
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Amra Network
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Facebook
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Linkedin
Correct Answer
A. FacebookExplanation
Facebook is a social network but not a professional network because it is primarily used for connecting with friends, sharing personal updates, and engaging in social activities. It focuses on building personal relationships, sharing photos and videos, and joining interest-based groups. Unlike LinkedIn, which is specifically designed for professional networking, Facebook does not emphasize professional connections, job searching, or career development. While Facebook can be used for business purposes, it is not primarily intended for professional networking like LinkedIn.Rate this question:
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- 33.
Which figure completes the picture?
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A
-
B
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C
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D
Correct Answer
A. D -
- 34.
Rafael Nadal is a famous Badminton Player.
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True
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False
Correct Answer
A. FalseExplanation
Rafael Nadal is not a badminton player. He is a professional tennis player from Spain. He has achieved great success in the sport of tennis, winning numerous Grand Slam titles and being considered one of the greatest tennis players of all time.Rate this question:
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- 35.
X = 3 y =? If 4X + 20 is equal to 5y + 7, what is y equal to?
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4.5
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5
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5.5
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7
Correct Answer
A. 5Explanation
To find the value of y, we need to solve the equation 4X + 20 = 5y + 7. Substituting X = 3, we get 4(3) + 20 = 5y + 7. Simplifying this equation, we have 12 + 20 = 5y + 7. Combining like terms, we get 32 = 5y + 7. Subtracting 7 from both sides, we have 25 = 5y. Finally, dividing both sides by 5, we find that y = 5.Rate this question:
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- 36.
Which is the First Bangla Search Engine?
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Google
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Bing
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Pipilika
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Yahoo
Correct Answer
A. PipilikaExplanation
Pipilika is the correct answer because it is the first Bangla search engine. Google, Bing, and Yahoo are all popular search engines, but they are not specifically designed for the Bangla language. Pipilika, on the other hand, is a search engine that is focused on providing search results in the Bangla language, making it the first of its kind.Rate this question:
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- 37.
Inept is opposite of:
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Competent
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Skillful
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Exert
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Expert
Correct Answer
A. CompetentExplanation
Inept is the opposite of competent because inept means lacking skill or ability, while competent means having the necessary skill or ability to do something successfully.Rate this question:
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- 38.
Nurul Haq Nur VP of the DUCSU and as a leader of?
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Quota Request Movement
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Quota Active Movement
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Quota Remove Movement
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Quota Reform Movement
Correct Answer
A. Quota Reform MovementExplanation
The correct answer is "Quota Reform Movement". Nurul Haq Nur is the Vice President of the DUCSU (Dhaka University Central Students' Union) and is known for his involvement in the Quota Reform Movement. This movement aimed to reform the quota system in government jobs and educational institutions in Bangladesh.Rate this question:
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- 39.
A person may have been sleeping for eight days or not?
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True
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False
Correct Answer
A. TrueExplanation
It is possible for a person to sleep for eight days straight, although it is extremely rare. This condition is known as "sleeping beauty syndrome" or Kleine-Levin syndrome. It is a neurological disorder characterized by excessive sleepiness and prolonged periods of sleep, sometimes lasting for several days or even weeks. During these episodes, the person may only wake up to eat or use the bathroom before falling back asleep. While this condition is uncommon, it does exist, making the statement true.Rate this question:
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- 40.
Which format is the best & contain low memory for Mobile device.
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.3gp
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.wmv
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.mp3
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.mp4
Correct Answer
A. .3gpExplanation
The .3gp format is the best and contains low memory for mobile devices. This format is specifically designed for mobile phones and offers efficient compression, allowing for smaller file sizes without compromising the quality of the video or audio. It is widely supported by various mobile devices and platforms, making it an ideal choice for mobile users who want to save storage space while still enjoying high-quality media content.Rate this question:
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- 41.
Select the 1 which is different from others.
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Safari
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Firefox
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Internet Explorer
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Google
Correct Answer
A. GoogleExplanation
The correct answer is Google because it is the only option that is not a web browser. Safari, Firefox, and Internet Explorer are all web browsers commonly used to access the internet, while Google is a search engine and technology company.Rate this question:
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- 42.
Take 2 Apples form 3 Apples. What do you have?
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1 Apple
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2 Apple
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3 Apple
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None
Correct Answer
A. 2 AppleExplanation
When you take 2 apples from a total of 3 apples, you are left with 2 apples. Therefore, the answer is 2 Apple.Rate this question:
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- 43.
How many watermelons are here?
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5
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6
-
7
-
8
Correct Answer
A. 6Explanation
The correct answer is 6 because there are six watermelons shown in the given options.Rate this question:
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- 44.
How Many Holes are there in the T-shirt?
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5
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6
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7
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8
Correct Answer
A. 8Explanation
There are typically four holes in a t-shirt: one for the head and two for the arms. Additionally, there are two holes at the bottom of the t-shirt where the fabric is stitched together. Therefore, the correct answer is 8.Rate this question:
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- 45.
The day after the day after tomorrow is four days before Monday. What day is it today?
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Monday
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Tuesday
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Wednesday
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Thursday
Correct Answer
A. MondayExplanation
The question states that the day after the day after tomorrow is four days before Monday. This means that if we count four days before Monday, we would reach Thursday. Therefore, if today is Thursday, the day after tomorrow would be Saturday, and the day after that would be Sunday. So, the statement in the question is false. Since there is no other option given, the only logical conclusion is that today is Monday.Rate this question:
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- 46.
How many difference between first picture and second picture?
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3
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4
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5
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6
Correct Answer
A. 4Explanation
The question asks for the number of differences between the first picture and the second picture. Since the answer is given as 4, it can be inferred that there are four differences between the two pictures.Rate this question:
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- 47.
A Women is murdered in the restroom of a restaurant. See the picture and find who the killer is?
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1
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2
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3
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4
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5
Correct Answer
A. 4 -
- 48.
What do you see first?
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Apple
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Butterfly
Correct Answer
A. AppleExplanation
The given correct answer is "Apple" because it is listed first in the options provided.Rate this question:
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- 49.
How many bars do you see?
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Seven
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Eight
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Either
Correct Answer
A. EitherExplanation
The question is asking how many bars are visible. The answer "Either" suggests that there could be either seven or eight bars visible, depending on the interpretation. Without further context or information, it is not possible to determine the exact number of bars, hence the answer is "Either".Rate this question:
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Quiz Review Timeline (Updated): Mar 20, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 20, 2023Quiz Edited by
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Apr 17, 2019Quiz Created by
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