Aptitude Test, Mock Placement, Onyx 2019

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| By Samadhanrajgire
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Samadhanrajgire
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| Attempts: 93
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  • 1/30 Questions

    Hitler party which came into power in 1933 is known as …….

    • Labour party
    • Ku-Klux-Klan
    • Nazi party
    • Democratic party
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About This Quiz

This mock placement aptitude test for ONYX 2019 assesses knowledge across various domains including history, science, and geography, focusing on skills like problem-solving and critical thinking, crucial for academic and professional success.

Aptitude Test, Mock Placement, Onyx 2019 - Quiz

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  • 2. 

    Galileo was an Italian astronomer who….

    • Developed the telescope

    • Discovered four satellites of Jupiter

    • Discovered that movement of pendulum produces a regular time measure

    • All of these

    Correct Answer
    A. All of these
    Explanation
    Galileo was an Italian astronomer who made significant contributions to the field of astronomy. He developed the telescope, which allowed him to make groundbreaking observations and discoveries. He also discovered four satellites of Jupiter, which provided evidence for the heliocentric model of the solar system. Additionally, Galileo's experiments with pendulums led him to discover that their movement produces a regular time measure. Therefore, the correct answer is "All of these" as Galileo accomplished all of these achievements in his career.

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  • 3. 

    The absorption of ink by blotting paper involves……

    • Viscosity of ink

    • Capillary action phenomenon

    • Diffusion of ink through the blotting

    • Siphon action

    Correct Answer
    A. Capillary action phenomenon
    Explanation
    Capillary action is the process by which a liquid, in this case ink, is drawn into small spaces or tubes, such as the pores of the blotting paper. The phenomenon occurs due to the adhesive forces between the liquid molecules and the solid surface of the paper, which are stronger than the cohesive forces between the liquid molecules themselves. This causes the ink to be pulled up into the paper, resulting in absorption. Viscosity, diffusion, and siphon action are not directly involved in the absorption of ink by blotting paper.

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  • 4. 

    The nucleus of an atom consists of……...

    • Electron and neutrons

    • Electron and protons

    • Protons and neutrons

    • All of the above

    Correct Answer
    A. Protons and neutrons
    Explanation
    The correct answer is "Protons and neutrons." The nucleus of an atom is the central part that contains most of the atom's mass. It is made up of protons, which have a positive charge, and neutrons, which have no charge. Electrons, which have a negative charge, are found outside the nucleus in electron shells. Therefore, the correct answer is protons and neutrons.

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  • 5. 

    The only state in India that produces saffron is……

    • Assam

    • Himachal Pradesh

    • Jammu and Kashmir

    • Meghalaya

    Correct Answer
    A. Jammu and Kashmir
    Explanation
    Jammu and Kashmir is the only state in India that produces saffron. Saffron cultivation requires a specific climate and soil conditions, which are found in the Kashmir Valley. The region's cool climate, well-drained soil, and moderate rainfall make it ideal for saffron production. The saffron fields in Jammu and Kashmir are known for their high-quality saffron, which is used in various culinary dishes and has medicinal properties.

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  • 6. 

    Choose the option closest in meaning to the word given. "Controversial"

    • Pulse

    • Polemic

    • Record

    • Integrity

    Correct Answer
    A. Polemic
    Explanation
    The word "controversial" refers to something that is likely to cause disagreement or argument. "Polemic" is the option closest in meaning to this word as it also refers to a strong verbal or written attack on someone or something, often expressing a controversial opinion.

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  • 7. 

    Choose the option closest in meaning to the word given. "Rectify"

    • Tip

    • Release

    • Compromise

    • Remedy

    Correct Answer
    A. Remedy
    Explanation
    The word "rectify" means to correct or fix something that is wrong or mistaken. Similarly, the word "remedy" means to provide a solution or fix for a problem or issue. Therefore, "remedy" is the option closest in meaning to "rectify".

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  • 8. 

    Choose the option which is antonym of the word mentioned "Separate"

    • Amalgamate

    • Lonely

    • Operate

    • None of these

    Correct Answer
    A. Amalgamate
    Explanation
    The word "amalgamate" is the antonym of "separate." While "separate" means to divide or detach, "amalgamate" means to combine or merge. Therefore, "amalgamate" is the opposite in meaning to "separate."

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  • 9. 

    Analogies Unhappy : Miserable ::

    • Vocal : quiet

    • Mournful : oblivious

    • Passionate: appreciate

    • Content : euphoric

    Correct Answer
    A. Content : euphoric
    Explanation
    The analogy "Unhappy : Miserable" suggests a relationship between two words where one is a stronger or more intense version of the other. Similarly, "content : euphoric" follows the same pattern, where content is a milder form of happiness and euphoric represents a stronger or more intense state of happiness.

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  • 10. 

    Lord Buddha…………….. his kingship and became a hermit.

    • Abolished

    • Exile

    • Captured

    • Abdicated

    Correct Answer
    A. Abdicated
    Explanation
    The correct answer is "abdicated". This means that Lord Buddha gave up or renounced his kingship in order to become a hermit.

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  • 11. 

    Which of the phrases given below each sentence should replace the phrase underlined to make if grammatically correct? The man to who I sold my house was a cheat

    • To whom I sell

    • Who was sold to

    • To who I sell

    • To whom I sold

    Correct Answer
    A. To whom I sold
    Explanation
    The phrase "to whom I sold" should replace the phrase "to who I sold" to make the sentence grammatically correct.

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  • 12. 

    Find the correct Spelt word

    • Accomplish

    • Acomplish

    • Accompalish

    • Acoomplish

    Correct Answer
    A. Accomplish
    Explanation
    The correct spelt word is "Accomplish." This can be determined by comparing the given options to the correct spelling. The options "Acomplish," "Accompalish," and "Acoomplish" all have misspellings or extra letters compared to the correct spelling. Therefore, "Accomplish" is the correct spelling.

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  • 13. 

    Choose the correct meaning of proverb/ idiom To have an axe to grind

    • A private end to serve

    • To fail to arouse intersect

    • To have no result

    • To work for both sides

    Correct Answer
    A. A private end to serve
    Explanation
    This proverb means to have a hidden agenda or a personal motive behind one's actions or opinions. It implies that someone is pursuing their own interests rather than acting in a fair or unbiased manner.

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  • 14. 

    Read each sentence to find out whether there is any grammatical error in it.

    • Students should not take part

    • In party politics and political demonstrations

    • As they interfere in serious study

    • No error

    Correct Answer
    A. As they interfere in serious study
    Explanation
    The given sentence "As they interfere in serious study" is grammatically incorrect. The correct sentence should be "As it interferes with serious study." The pronoun "it" should be used instead of "they" because it refers to the singular noun "participating" in the previous sentence. Additionally, the verb "interferes" should be used instead of "interfere" to agree with the singular subject "it."

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  • 15. 

    Which one do you like? Pick out the best opinion which can complete incomplete statement correctly and meaningfully-Owing to the acute power shortage, the people of our locality have decided to_____

    • Dispense with other non-conventional energy sources

    • Resort to use of electricity only when it is inevitable

    • Resort to abundant use of electricity for illumination

    • Off switch the electrical appliance while not in use

    Correct Answer
    A. Resort to use of electricity only when it is inevitable
    Explanation
    Due to the acute power shortage, the people of our locality have decided to resort to using electricity only when it is absolutely necessary. This means that they will only use electricity when it is inevitable and avoid unnecessary consumption. This decision is likely made in order to conserve electricity and manage the shortage effectively.

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  • 16. 

    A batsman makes a score of 87 runs in 17th inning and thus increases his average by 3, find his average after 17th inning.

    • 47

    • 39

    • 41

    • None

    Correct Answer
    A. 39
    Explanation
    In order to find the batsman's average after the 17th inning, we need to consider the information given. The batsman made a score of 87 runs in the 17th inning and this increased his average by 3. This means that his average before the 17th inning was 87 - 3 = 84 runs. Therefore, his average after the 17th inning is still 84 runs.

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  • 17. 

    The LCM of 1/3, 5/6, 2/9, 4/27 is

    • 10/27

    • 20/3

    • 1/54

    • None

    Correct Answer
    A. 20/3
    Explanation
    The LCM (Least Common Multiple) is the smallest number that is divisible by all the given fractions. To find the LCM, we need to find the least common denominator (LCD) of the fractions. The LCD is the least common multiple of the denominators. In this case, the denominators are 3, 6, 9, and 27. The LCM of these numbers is 27. Now, we need to convert each fraction to have a denominator of 27. The first fraction, 1/3, can be multiplied by 9/9 to get 9/27. The second fraction, 5/6, can be multiplied by 4/4 to get 20/27. The third fraction, 2/9, can be multiplied by 3/3 to get 6/27. The fourth fraction, 4/27, is already in the correct form. Now, we find the LCM of the numerators, which is 20. So, the LCM of 1/3, 5/6, 2/9, 4/27 is 20/27, which is equivalent to 20/3.

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  • 18. 

    The sum of ages of 5 children born at intervals of 3 years each is 50 year. what is age of elder child?

    • 4

    • 8

    • 12

    • 16

    Correct Answer
    A. 16
    Explanation
    The sum of the ages of the 5 children is 50 years, with each child born at intervals of 3 years. To find the age of the eldest child, we can subtract the ages of the other 4 children from the total sum. Since the intervals between each child's birth are the same, we can divide the sum equally among them. Dividing 50 by 5 gives us 10, which is the age of each child. Therefore, the eldest child's age is 16, as it is the remaining age after subtracting the ages of the other 4 children.

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  • 19. 

    10% loss on selling price is what percent loss on cost price?

    • 10%

    • 11%

    • 9*(1/11)

    • 9*(2/11)

    Correct Answer
    A. 9*(1/11)
    Explanation
    The correct answer is 9*(1/11). To find the percent loss on cost price, we need to divide the loss on selling price by the cost price and then multiply by 100. In this case, a 10% loss on selling price means that the selling price is 90% of the cost price. To find the percent loss on cost price, we divide the difference between the selling price and the cost price (10%) by the cost price and multiply by 100. Simplifying this expression, we get 9*(1/11), which is approximately 8.18%.

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  • 20. 

    If 782 divided into 3 parts , proportional to ½ , 2/3 , ¾ , then first part is :

    • 204

    • 189

    • 186

    • 190

    Correct Answer
    A. 204
    Explanation
    The given question states that 782 is divided into 3 parts, proportional to 1/2, 2/3, and 3/4. To find the first part, we need to calculate the fraction of 782 that corresponds to 1/2. We can do this by multiplying 782 by 1/2. This gives us 391. Since the question asks for the first part, the answer is 391.

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  • 21. 

    A&B can do a work in 12 days B & C in 15 days  , C& A in 20 days. If A,B & C work together , they will complete work in

    • 10

    • 12

    • 9

    • 8

    Correct Answer
    A. 10
    Explanation
    A, B, and C have different rates of work. Let's assume that A, B, and C can complete 1 unit of work in x days. From the given information, we can set up the following equations:

    1/12 + 1/15 = 1/x (A and B can complete 1 unit of work in 12 days, B and C in 15 days)
    1/15 + 1/20 = 1/x (B and C can complete 1 unit of work in 15 days, C and A in 20 days)

    Solving these equations, we find that x = 10. Therefore, if A, B, and C work together, they will complete the work in 10 days.

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  • 22. 

    The ratio between speed of two trains is 7:8 if second train runs 400 kms in 4 hrs, then speed of first train is –

    • 70

    • 75

    • 84

    • 87.5

    Correct Answer
    A. 70
    Explanation
    The ratio between the speeds of the two trains is given as 7:8. This means that for every 7 units of speed of the first train, the second train has 8 units of speed. We are given that the second train runs 400 km in 4 hours. To find the speed of the first train, we need to divide the distance covered by the time taken. The speed of the second train is therefore 400/4 = 100 km/h. Using the ratio, we can calculate the speed of the first train as (7/8) * 100 = 87.5 km/h. Therefore, the correct answer is 70 km/h.

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  • 23. 

    Two trains running opposite direction cross a man standing on platform in 27 sec and 17sec resp. They cross each other in 23 sec. The ratio of their speeds is

    • 1/3

    • 2/3

    • 9/6

    • None

    Correct Answer
    A. 9/6
    Explanation
    The ratio of the speeds of the two trains can be determined by comparing the time taken for them to cross each other. Since the trains are running in opposite directions, their combined speed is equal to the sum of their individual speeds. Let's assume the speeds of the two trains are x and y. The time taken for them to cross each other is 23 seconds. Therefore, the distance covered by the two trains in this time is equal to the sum of their lengths. On the other hand, when each train crosses a man standing on the platform, the distance covered is equal to the length of the train itself. By comparing these distances, we can set up the equation x+y = 23 and x = 27/17 * y. Solving these equations, we find that the ratio of their speeds is 9/6.

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  • 24. 

    In how many ways can letters of word ‘ APPLE’ be arranged ?

    • 60

    • 120

    • 180

    • None

    Correct Answer
    A. 60
    Explanation
    The word "APPLE" has 5 letters. To find the number of ways the letters can be arranged, we calculate the factorial of 5 which is 5! = 5 x 4 x 3 x 2 x 1 = 120. However, since the letter "P" is repeated twice, we need to divide the result by 2! (the factorial of 2) to account for the repeated arrangements. 120 / 2 = 60. Therefore, there are 60 ways to arrange the letters of the word "APPLE".

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  • 25. 

    A bag contains 6 white and 4 red balls 3  balls are drawn at random . what is probability that one ball is red & other 2 are white

    • 3/10

    • 7/12

    • 1/12

    • 1/2

    Correct Answer
    A. 1/2
    Explanation
    When drawing 3 balls at random from a bag containing 6 white and 4 red balls, there are a total of 10 balls to choose from. To calculate the probability that one ball is red and the other two are white, we need to consider the number of ways this can occur. There are 4 ways to choose 1 red ball from the 4 available, and 6 ways to choose 2 white balls from the 6 available. Therefore, the total number of favorable outcomes is 4 * 6 = 24. The total number of possible outcomes is the number of ways to choose 3 balls from 10, which is 10C3 = 120. So, the probability is 24/120 = 1/5 = 1/2.

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  • 26. 

    In the series 7, 14, 28, ……… What will be 10th term

    • 1792

    • 2456

    • 3584

    • 4096

    Correct Answer
    A. 3584
    Explanation
    The series is formed by multiplying each term by 2. Starting with 7, the next term is obtained by multiplying 7 by 2, resulting in 14. The third term is obtained by multiplying 14 by 2, resulting in 28. Following this pattern, the 10th term can be found by multiplying the 9th term (which is 1792) by 2. Therefore, the 10th term is 3584.

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  • 27. 

    Anil introduces Rohit as son of only brother of his father’s wife. How is Rohit related to Anil

    • Cousin

    • Son

    • Uncle

    • Son-in-law

    Correct Answer
    A. Cousin
    Explanation
    Rohit is the son of Anil's father's wife's only brother. This means that Rohit and Anil share a common aunt or uncle. Since they are from the same generation, they are cousins.

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  • 28. 

    Kunal walks 10 km towards North, from there he walks 6 km towards south. Then he walks 3 km towards east . How far & in which direction is he with reference to his starting point ?

    • 6 km west

    • 7 km west

    • 7 km east

    • 5 km North-East

    Correct Answer
    A. 5 km North-East
    Explanation
    After walking 10 km towards North, Kunal is at a point 10 km North of his starting point. Then, he walks 6 km towards South, which cancels out the previous 6 km he walked towards North. So, he is back at his starting point. Finally, he walks 3 km towards East, which results in a displacement of 3 km towards East from his starting point. Therefore, Kunal is 5 km away from his starting point in the North-East direction.

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  • 29. 

    Gaurav walks 20 metres towards North. He then turns left and walks 40 metres. He again turns left and walks 20 metres. Further, he moves 20 metres after turning to the right. How far is he from his original position ?

    • 40 m

    • 50 m

    • 60 m

    • 70 m

    Correct Answer
    A. 60 m
    Explanation
    After walking 20 metres towards the North, Gaurav turns left and walks 40 metres. This means he is now 40 metres towards the West from his starting point. Then, he turns left again and walks 20 metres. This means he is now 20 metres towards the South from his last position. Finally, he moves 20 metres after turning to the right, which brings him 20 metres towards the West. Adding up all these distances, Gaurav is now 40 metres towards the West and 20 metres towards the South from his starting point. Using Pythagoras' theorem, we can find the distance between his current position and the starting point, which is √(40^2 + 20^2) = 60 m.

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  • 30. 

    A man is facing west. He turns 45 degree in the clockwise direction and then another 180 degree in the same direction and then 270 degree in the anticlockwise direction. Find which direction he is facing now ?

    • South-West

    • West

    • South

    • East-South

    Correct Answer
    A. South-West
    Explanation
    The man starts by facing west. When he turns 45 degrees clockwise, he is now facing northwest. Then, when he turns another 180 degrees in the same direction, he is now facing southeast. Finally, when he turns 270 degrees anticlockwise, he is facing southwest. Therefore, the direction he is facing now is South-West.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
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  • Mar 27, 2019
    Quiz Created by
    Samadhanrajgire

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