3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : a Leaves of plants are green.

Reason (R) : Plants contain chromoplasts, the green pigment.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: C) A is true but R is false.

Explanation:

Leaves of plants are green because they contain the green pigment, chlorophyll. However, plants contain chromoplasts but they are not green pigments.

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4 10526

Q:

Select the related word/letters/number from the given alternatives.

SAP : WET : : ? : XVI

A) TRE	B) SQR
C) SRQ	D) PNR

Answer & Explanation Answer: A) TRE

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

2 10517

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : We feel colder on mountains than on plains.

Reason (R) : Temperature decreases with altitude.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

Higher above the sea level, temperature decreases at the rate of 1 degree centigarade for every 165 me-tres of ascent making mountain peaks colder.

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4 10517

Q:

Select the related word/letters/number from the given alternatives.

12 : 72 : : 13 : ?

A) 31	B) 84
C) 100	D) 78

Answer & Explanation Answer: D) 78

Explanation:

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Exam Prep: Bank Exams

0 10516

Q:

Select the related letters from the given alternatives.

WTQ : DGJ :: NKH : ?

A) MPS	B) LOR
C) NQT	D) ORV

Answer & Explanation Answer: A) MPS

Explanation:

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0 10514

Q:

If it is possible to form a number which is a perfect square of a two digit odd number using the second, fourth, seventh digits of the number 739142658 using each only once, which of the following is the second digit of that two-digit odd number?

A) 4	B) 7
C) 3	D) none

Answer & Explanation Answer: D) none

Explanation:

The 2nd, 4th, 7th digits are 3, 1, 6 respectively.

The perfect square of a two-digit odd number, formed using these digits, is 361

and 361 = 19^2

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Filed Under: Number, Ranking and Time Sequence Test

29 10511

Q:

Select the related word/letters/number from the given alternatives.

JY : 35 : : RT : ?

A) 48	B) 38
C) 35	D) 24

Answer & Explanation Answer: B) 38

Explanation:

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0 10507

Q:

Arrange the given words in the sequence in which they occur in the dictionary.

i. Heredity
ii. Hesitate
iii. Heavy
iv. Herald

A) iii, iv, i, ii	B) i, iv, iii, ii
C) ii, iii, i, iv	D) iv, iii, ii, i

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