IEEE Day Celebration Online Quiz
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Questions and Answers
- 1.
36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?
- A.
12
- B.
18
- C.
22
- D.
24
Correct Answer
D. 24Explanation
If 36 men can complete the work in 18 days, it means that the work requires a total of 36*18 = 648 man-days. Now, if we have only 27 men, we can calculate the number of days they will take to complete the same work by dividing the total man-days required by the number of men. So, 648 man-days divided by 27 men gives us 24 days. Therefore, 27 men will complete the same work in 24 days.Rate this question:
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- 2.
A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.
- A.
220 KM
- B.
224 KM
- C.
230 KM
- D.
234 KM
Correct Answer
B. 224 KMExplanation
The man travels the first half of the journey at a speed of 21 km/hr and the second half at a speed of 24 km/hr. Since the total time taken for the journey is 10 hours, we can assume that the distance covered in the first half is equal to the distance covered in the second half. Let's assume the distance of each half of the journey is 'x' km. Therefore, the time taken to cover the first half of the journey is x/21 hours and the time taken to cover the second half is x/24 hours. Since the total time taken is 10 hours, we can write the equation: x/21 + x/24 = 10. Solving this equation, we get x = 112 km. Therefore, the total journey is 2x = 2 * 112 = 224 km.Rate this question:
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- 3.
A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is:
- A.
14 YEARS
- B.
18 YEARS
- C.
20 YEARS
- D.
22 YEARS
Correct Answer
D. 22 YEARSExplanation
The man's age is 24 years older than his son's age, so let's assume his son's age is x. Therefore, the man's age is x+24. In two years, the man's age will be x+24+2 and his son's age will be x+2. According to the given information, the man's age in two years will be twice his son's age, so we can set up the equation x+24+2 = 2(x+2). Solving this equation, we get x = 22. Therefore, the present age of his son is 22 years.Rate this question:
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- 4.
In how many ways can the letters of the word ""LEADER'" can be arranged?
- A.
72
- B.
144
- C.
360
- D.
720
Correct Answer
C. 360Explanation
The word "LEADER" has 6 letters. To find the number of ways the letters can be arranged, we use the formula for permutations of a set with repetitions allowed. Since there are 2 "E" and 2 "L" in the word, we divide the total number of permutations by 2! (2 factorial) twice to account for the repeated letters. Therefore, the number of arrangements is 6! / (2! * 2!) = 360.Rate this question:
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- 5.
5. 3, 7, 6, 5, 9, 3, 12, 1, 15, (....)
- A.
18
- B.
13
- C.
-1
- D.
3
Correct Answer
C. -1Explanation
The given sequence follows a pattern where each number alternates between increasing and decreasing. The first number, 3, is followed by an increase of 4 to get 7. Then, there is a decrease of 1 to get 6, followed by an increase of 1 to get 5. This pattern continues, with each increase or decrease alternating by 1. Therefore, the next number in the sequence would be a decrease of 1 from 5, resulting in -1.Rate this question:
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- 6.
The price of 2 sarees and 4 shirts is Rs. 1600. With the same money one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay ?
- A.
RS 1200
- B.
RS 2400
- C.
RS 4800
- D.
CANNOT BE DETERMINED
Correct Answer
B. RS 2400Explanation
Let the cost of one saree be S and the cost of one shirt be R. From the given information, we can form two equations:
2S + 4R = 1600 (equation 1)
1S + 6R = 1600 (equation 2)
By solving these equations simultaneously, we can find the values of S and R. Once we have the values, we can calculate the cost of 12 shirts by multiplying the cost of one shirt by 12, which is 12R. Hence, the answer is RS 2400.Rate this question:
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- 7.
Find the wrong number in the given series - 25, 36, 49, 81, 121, 169, 225
- A.
36
- B.
49
- C.
121
- D.
169
Correct Answer
A. 36Explanation
In the given series, all the numbers are perfect squares except for 36. The series follows the pattern of increasing the square of the previous number by 1. However, 36 is not a perfect square and does not fit the pattern. Therefore, 36 is the wrong number in the series.Rate this question:
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- 8.
A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :
- A.
4 Days
- B.
6 Days
- C.
8 Days
- D.
18 Days
Correct Answer
A. 4 DaysExplanation
If B can complete a work in 12 days independently, then A, who works twice as fast as B, can complete the same work in half the time, which is 6 days. When A and B work together, their combined efficiency is greater than when they work individually. Therefore, the time taken to complete the work will be less than 6 days. Since A can complete the work in 6 days, it means that A can complete half of the work in 3 days. So, when A and B work together, they can finish the work in 4 days.Rate this question:
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- 9.
Today is Monday. After 61 days, it will be:
- A.
Wednesday
- B.
Saturday
- C.
Tuesday
- D.
Thursday
Correct Answer
B. SaturdayExplanation
Today is Monday. After 61 days, it will be Saturday. To determine the day after 61 days, we need to find the remainder when dividing 61 by 7 (the number of days in a week). The remainder is 5. Starting from Monday, we count 5 days ahead, which gives us Saturday. Therefore, after 61 days, it will be Saturday.Rate this question:
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- 10.
39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
- A.
10
- B.
13
- C.
14
- D.
15
Correct Answer
B. 13Explanation
The given question provides information about the number of persons, the number of hours they work per day, and the number of days it takes to complete the work. To find out how many days it will take for a different number of persons working different hours per day, we can use the formula: (number of persons * number of hours * number of days) / (number of persons * number of hours). Plugging in the given values and the new values, we get: (30 * 6 * 12) / (39 * 5) = 13. Therefore, it will take 30 persons, working 6 hours a day, 13 days to complete the work.Rate this question:
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- 11.
How many moons does Mars planet have?
- A.
6
- B.
4
- C.
3
- D.
2
Correct Answer
D. 2Explanation
Mars has two moons, Phobos and Deimos. These moons were discovered by American astronomer Asaph Hall in 1877. Phobos is the larger moon and is closer to Mars, while Deimos is smaller and farther away. Both moons are irregularly shaped and are thought to be captured asteroids. They have low gravity and their surfaces are covered in craters. The presence of these two moons is one of the unique characteristics of Mars compared to other planets in our solar system.Rate this question:
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- 12.
The code name of the first vehicle driven by man on the moon's surface was
- A.
Luna 22
- B.
Rover
- C.
Eagle
- D.
Challenger
Correct Answer
B. RoverExplanation
The code name of the first vehicle driven by man on the moon's surface was Rover.Rate this question:
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- 13.
About how many galaxies are there in the universe?
- A.
25 Million
- B.
25 Billion
- C.
25 Quadrillion
- D.
25 Gazillion
Correct Answer
B. 25 BillionExplanation
There are approximately 25 billion galaxies in the universe. This estimate is based on observations and calculations made by astronomers using various telescopes and instruments. The vastness of the universe and the number of stars within each galaxy contribute to this large number. The existence of billions of galaxies suggests that there are countless stars and planets, making the universe a truly immense and fascinating place.Rate this question:
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- 14.
Which of these contain large quantities of ice?
- A.
Asteroids
- B.
Stars
- C.
Comets
- D.
Black Holes
Correct Answer
C. CometsExplanation
Comets contain large quantities of ice. Comets are celestial objects composed of ice, dust, and rocky material. As they approach the sun, the heat causes the ice to vaporize, creating a glowing coma around the nucleus and often forming a tail that points away from the sun. This phenomenon is what makes comets easily distinguishable in the night sky. In contrast, asteroids are rocky objects that lack significant amounts of ice. Stars are composed mainly of gas and do not contain ice. Black holes are regions of spacetime with extremely strong gravitational forces and do not contain ice either.Rate this question:
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- 15.
How many Km are there in 1 light year?
- A.
9.4 Trillion Km
- B.
9.4 Billion Km
- C.
9.4 Million Km
- D.
9.4 Quadrillion Km
Correct Answer
A. 9.4 Trillion KmExplanation
A light year is a unit of distance used to measure astronomical distances. It is defined as the distance that light travels in one year in a vacuum. Since light travels at a speed of approximately 300,000 kilometers per second, in one year it would cover a distance of about 9.4 trillion kilometers. Therefore, the correct answer is 9.4 Trillion Km.Rate this question:
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- 16.
How many Earths can be fit into jupiter planet?
- A.
200
- B.
800
- C.
1300
- D.
900
Correct Answer
C. 1300Explanation
Jupiter is the largest planet in our solar system, with a diameter of about 86,881 miles. In comparison, Earth has a diameter of about 7,917.5 miles. To calculate how many Earths can fit into Jupiter, we can divide the diameter of Jupiter by the diameter of Earth. So, 86,881 divided by 7,917.5 gives us approximately 10.97. Therefore, the correct answer is 1300, as it is the closest option to the calculated value.Rate this question:
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- 17.
Distance travelled (Approx) by voyeger 1 spacecraft in the space?
- A.
21 Million Km
- B.
21 Billion Km
- C.
21 Trillion Km
- D.
21 Lakh Km
Correct Answer
B. 21 Billion KmExplanation
Voyager 1 spacecraft has traveled approximately 21 billion kilometers in space. This is a significant distance considering that it was launched in 1977. Voyager 1 has been exploring the outer regions of our solar system and has provided valuable information about Jupiter, Saturn, and their moons. It is currently the farthest human-made object from Earth and continues to transmit data back to us.Rate this question:
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- 18.
Distance between Sun and Earth in measured in Astronomical unit (AU). How far is 1 AU? Which one do you like?
- A.
21 Million Km
- B.
50 Lakh Km
- C.
150 Million Km
- D.
220 Million Km
Correct Answer
C. 150 Million KmExplanation
One Astronomical Unit (AU) is a unit of distance used to measure the average distance between the Sun and the Earth. It is approximately equal to 150 million kilometers.Rate this question:
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- 19.
How many planets are there in our milkyway galaxy?
- A.
10 Million
- B.
50 Billion
- C.
80 Billion
- D.
100 Billion
Correct Answer
D. 100 BillionExplanation
There are approximately 100 billion planets in our Milky Way galaxy. This estimation is based on observations and calculations made by astronomers using various techniques such as the transit method and gravitational microlensing. These methods help identify and detect planets outside our solar system, known as exoplanets. By extrapolating the data collected from these observations, scientists estimate that there are billions of planets in our galaxy alone.Rate this question:
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- 20.
How large is our universe?
- A.
23 billion light years
- B.
93 billion light years
- C.
43 billion light years
- D.
10 billion light years
Correct Answer
B. 93 billion light yearsExplanation
The correct answer is 93 billion light years. This refers to the observable universe, which is the portion of the universe that we can see from Earth. It is estimated to have a radius of about 46.5 billion light years, resulting in a diameter of approximately 93 billion light years. This measurement takes into account the expansion of the universe and the time it takes for light to travel across vast distances. It is important to note that this is just the observable universe and the actual size of the entire universe is still unknown.Rate this question:
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- 21.
QPO, NML, KJI, _____, EDC
- A.
HGF
- B.
CAB
- C.
JKL
- D.
GHI
Correct Answer
A. HGFExplanation
The given sequence is formed by taking the last three letters of each group of letters in reverse order. Starting with QPO, we take the last three letters (OPQ) and reverse them to get the next group NML. Following the same pattern, we take the last three letters (LKJ) and reverse them to get the next group KJI. Continuing this pattern, the next group should be HGF, which is the correct answer.Rate this question:
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- 22.
Statements: Some dogs are bats. Some bats are cats. Conclusions: 1. Some dogs are cats. 2. Some cats are dogs. 3.
- A.
Only (1) conclusion follows
- B.
Only (2) conclusion follows
- C.
Either (1) or (2) follows
- D.
Neither (1) or (2) follows
Correct Answer
D. Neither (1) or (2) followsExplanation
Based on the given statements, we can conclude that there is a possibility that some dogs are cats since there is an overlap between the groups of dogs and cats through the statement "Some dogs are bats" and "Some bats are cats". However, we cannot conclude that some cats are dogs because there is no direct connection between cats and dogs in the given statements. Therefore, only conclusion (1) does not follow and only conclusion (2) follows.Rate this question:
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- 23.
Which of the following diagrams indicates the best relation between Parents, Mother and Father ?
- A.
- B.
- C.
- D.
Correct Answer
C.Explanation
The correct answer is not provided.Rate this question:
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- 24.
Melt : Liquid :: Freeze : ?
- A.
Ice
- B.
Condense
- C.
Solid
- D.
Force
Correct Answer
C. SolidExplanation
The relationship between "melt" and "liquid" is that melting is the process of changing a solid into a liquid. Similarly, the relationship between "freeze" and "solid" is that freezing is the process of changing a liquid into a solid. Therefore, "solid" is the correct answer as it completes the analogy.Rate this question:
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- 25.
Introducing a woman, Shashank said, '"She is the mother of the only daughter of my son."" How that woman is related to Shashank?
- A.
Daughter
- B.
Sister-in-law
- C.
Wife
- D.
Daughter-in-law
Correct Answer
D. Daughter-in-lawExplanation
Shashank is introducing a woman who is the mother of the only daughter of his son. This means that the woman is married to Shashank's son and they have a daughter together. Therefore, the woman is Shashank's daughter-in-law.Rate this question:
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- 26.
A, P, R, X, S and Z are sitting in a row. S and Z are in the centre. A and P are at the ends. R is sitting to the left of A. Who is to the right of P ?
- A.
A
- B.
X
- C.
S
- D.
Z
Correct Answer
B. XExplanation
Based on the given information, we know that S and Z are in the center, A and P are at the ends, and R is sitting to the left of A. Since X is the only option left and it is not mentioned in the given information, we can conclude that X must be to the right of P.Rate this question:
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- 27.
What is found necessarily in milk?
- A.
Cream
- B.
Curd
- C.
Water
- D.
Whiteness
Correct Answer
D. WhitenessExplanation
Whiteness is necessarily found in milk because milk is naturally white in color. This is due to the presence of certain proteins and fats that give milk its characteristic white appearance. Cream, curd, and water are all components of milk, but they do not necessarily contribute to its whiteness.Rate this question:
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- 28.
Find the number of triangles in the given figure.
- A.
11
- B.
13
- C.
15
- D.
17
Correct Answer
C. 15Explanation
To find the number of triangles in the figure, we need to count all the triangles, including the small and large ones. By carefully observing the figure, we can see that there are 15 triangles in total. This includes the large triangle formed by the three lines, the 6 small triangles formed by the intersection of the lines, and the 8 triangles formed by the combination of the small triangles. Therefore, the correct answer is 15.Rate this question:
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- 29.
S 1 : Calcutta unlike other cities kepts its trams. P : As a result there horrendous congestion. Q : It was going to be the first in South Asia. R : They run down the centre of the road S : To ease in the city decided to build an underground railway line. S 6 : The foundation stone was laid in 1972. The Proper sequence should be:
- A.
PRSQ
- B.
PSQR
- C.
SQRP
- D.
RPSQ
Correct Answer
D. RPSQExplanation
Calcutta kept its trams, which run down the centre of the road, resulting in horrendous congestion. To ease this congestion, the city decided to build an underground railway line, and the foundation stone for this was laid in 1972. Therefore, the proper sequence is RPSQ.Rate this question:
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- 30.
FEEBLE
- A.
WEAK
- B.
VAIN
- C.
ARROGANT
- D.
SICK
Correct Answer
A. WEAKExplanation
The word "feeble" means lacking in strength or weak. The word "weak" also means lacking in strength or not strong. Therefore, "weak" is the correct answer as it is synonymous with "feeble". The other options - "vain", "arrogant", and "sick" - do not have the same meaning as "feeble".Rate this question:
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