GATE Questions and Answers with Explanation

Q:

If an object moves with constant velocity,

A) it must have constant speed	B) it must have constant direction
C) it must have constant speed in constant direction	D) None of the above

Answer & Explanation Answer: C) it must have constant speed in constant direction

Explanation:

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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3 1430

Q:

Sum of cubes of first n even natural numbers.

Answer

Proof of Sum of cubes of first n even natural numbers ::

sum_of_cubes_of_first_n_even_natural_numbers1556603651.png image

Hence, in other words, the sum of the first n cubes is the square of the sum of the first n natural numbers.

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Subject: Simplification Exam Prep: AIEEE , Bank Exams , CAT , GATE
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4 1430

Q:

The law of supply indicates that, other things equal

A) sellers will offer more of a product at low prices than at high prices.	B) buyers will purchase less of a good at high prices than at low prices.
C) Sellers will offer more of a product at high prices than at low prices.	D) the product supply curve is downward sloping.

Answer & Explanation Answer: C) Sellers will offer more of a product at high prices than at low prices.

Explanation:

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Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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1 1428

Q:

Which of the following are physical signs of stress?

A) tense muscles	B) aches
C) loss of sexual desire	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Physical signs of stress include Frequent colds and infections, aches, pains and tense muscles, stomach upset, loss of sexual desire, etc...

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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1 1428

Q:

The demand curve shows the relationship between

A) good price and the service	B) quantity demanded and the price of the good
C) quality and quantity of the good	D) quality and price of the good

Answer & Explanation Answer: B) quantity demanded and the price of the good

Explanation:

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Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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0 1425

Q:

The marked price of an article is 10/7 of the cost price and the selling price of that article is 4/5 of the marked price. What is the profit percentage?

A) 17.24	B) 16.66
C) 14.28	D) 15.42

Answer & Explanation Answer: C) 14.28

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams , GATE
Job Role: Bank Clerk , Bank PO

2 1425

Q:

Aptitude tests are designed to measure

A) General reasoning	B) Perceptual speed
C) Verbal comprehension	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Aptitude tests measures an individual's level of competency to perform a certain type of task and their mental and physical potentials in dealing different situations. These tests include General reasoning, Verbal comprehension, Perceptual speed and numerical operations.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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8 1424

Q:

Which of the following acids is present in Red Ants?

A) Malic acid	B) Formic acid
C) Tannic acid	D) Oxalic acid

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