Mental Ability - Questions

1 .

RGENESSAP

REGNSESAP

REGMESSAP

REGNESSAP

Correct Answer : Option (D) - REGNESSAP

2 .

Pointing to an old man, Suresh said, "His son is my son's uncle." How is the old man related to Suresh ?

Father

Uncle

Brother

Grandfather

Correct Answer : Option (A) - Father

Explanation :

Suresh's son's uncle — Suresh's brother. So. the old man's son is Suresh's brother

i.e., the old man is Suresh's father.

3 .

What letters will fill the blank? Z, X, V, T, R, __,__

P, N

K, S

O, K

M, N

Correct Answer : Option (A) - P, N

Explanation : Here the letter series is alternative reverse order series. So we get P, N.

4 .

Find out the wrong term in the series 2, 3, 4, 4, 6, 8, 9, 12, 16

Correct Answer : Option (C) - 9

Explanation :

The given sequence is a combination of three series:

i)1st, 4th, 7th terms i.e, 2, 4, 9

ii)2nd, 5th, 8th terms i.e, 3, 6, 12

iii)3rd, 6th, 9th terms i.e, 4, 8, 16

In each one of i, ii, iii, each term is twice the preceding term.

So, 9 is wrong and must be replaced by (4*2) = 8

5 .

How many candidates passed in at least four subjects ?

870

6555

5685

1705

Correct Answer : Option (B) - 6555

Explanation :

Candidates passed in atleast four subjects

= (Candidates passed in 4 subjects) + (Candidates Passed in all 5 subjects)

= (Candidates failed in only 1 subject ) + ( Candidates passed in all subjects)

= (78 + 275 + 149 + 147 + 221) + 5685 = 870 + 5685 = 6555

6 .

Thread is to String as Cask is to

Box

Disc

Wallet

Barrel

Correct Answer : Option (D) - Barrel

Explanation :

Here Thread and String are Synonyms of each other. Then the answer will be the synonym of Cask.

Cask is nothing but a large barrel-like container used for storing liquids, typically alcoholic drinks.

Ex : Drum, Vessel, Tank, Barrel, Hogshead, Firkin,...

Here from the options Barrel is the only synonym of Cask.

Thus, Thread : String :: Cask : Barrel

7 .

291

322

354

378

Correct Answer : Option (D) - 378

Explanation : Sum of digits of the first number is 2 more than the sum of digits of the second number.

8 .

Rotate : Energy :: Stop : ?

Inertia

Spin

Break

None of the above

Correct Answer : Option (A) - Inertia

Explanation : To rotate is to energy to stop is to inertia. From the definition itself we know that inertia is a property by virtue of which a body continues to be in the state of rest or in state of motion. So over here whenever energy is supplied then the body starts to move that is a displacement is there and it is rotating where as whenever the body is stopped an inertia of rest is created.

So, Rotate : Energy :: Stop : Inertia.

9 .

If A + B = 2C and C + D = 2A, then

A + C = 2B

A + C = 2D

A + C = B + D

A + D = B + C

Correct Answer : Option (C) - A + C = B + D

Explanation :

A + B = 2C ----(i)

C + D = 2A ----(ii)

Adding (i) and (ii) we get : A + B + C + D = 2C + 2A

=> B + D = A + C

10 .

Modern : Antiquated :: Weak : ?

Puny

Strong

Fragile

Inadequate

Correct Answer : Option (B) - Strong

Explanation :

Modern is used to refer to something new whereas antiquated is used with respect to something old.

In other words, both terms are the opposite of each other.

From the above analysis, the missing word should be a word that represents the opposite of weak. Strong is used to with great influence. Therefore, the apt word is strong or any synonym of strong like potent, powerful, keen,...