GATE Questions and Answers with Explanation

Q:

If ${(a + \frac{1}{a})}^{2} = 3,$ then the value of $a^{2} + \frac{1}{a^{2}}$ will be

A) 0	B) 1
C) 2	D) 3

Answer & Explanation Answer: B) 1

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

Isotones have always ______

A) Same number of protons	B) Same atomic number
C) Same number of neutron	D) Same number of proton and same numbe of neutron

Answer & Explanation Answer: C) Same number of neutron

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams , GATE
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Q:

Which of the following pairs is NOT correctly matched?

A) Jog - Karnataka	B) Papanasham - Himachal Pradesh
C) Dhuandhar - Madhya Pradesh	D) Hundru - Jharkhand

Answer & Explanation Answer: B) Papanasham - Himachal Pradesh

Explanation:

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Filed Under: General Awareness
Exam Prep: Bank Exams , GATE
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Q:

If two marbles are picked at random, what is the probability that either both are red or both are green?

A) 5/7	B) 5/14
C) 1/7	D) 1/14

Answer & Explanation Answer: C) 1/7

Explanation:

Required probability = $\frac{(10 + 3)}{91} = \frac{13}{91} = \frac{1}{7}$

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
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Q:

What is the simplified value of (cotA + tan B)/(cot B + tan A)?

A) tanB cotA	B) tanA cotB
C) tanA tanB	D) cotA cotB

Answer & Explanation Answer: A) tanB cotA

Explanation:

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Exam Prep: Bank Exams , GATE

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Q:

Which one of the following is not the official language of the UNO?

A) French	B) Arabic
C) Spanish	D) Japanese

Answer & Explanation Answer: D) Japanese

Explanation:

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Exam Prep: Bank Exams , GATE

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Q:

Which civil rights leader made the term black power popular?

A) Stokely Carmichael	B) Willie Ricks
C) Martin Luthor King	D) None of the above

Answer & Explanation Answer: A) Stokely Carmichael

Explanation:

Which_civil_rights_leader_made_the_term_black_power_popular1535541286.jpg image

Stokely Carmichael, a civil rights leader, used the term 'Black Power' to promote solidarity among African-Americans.

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Filed Under: World History
Exam Prep: AIEEE , Bank Exams , GATE
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Q:

In November 2017, RBI simplified ‘FEMA’ by putting all amendments under one notification. What does ‘E’ stand for in ‘FEMA’?

A) Enterprise	B) Exchange
C) Evaluate	D) Estate

Answer & Explanation Answer: B) Exchange

Explanation:

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