Mental Ability Questions and Answers (Aptitude and Reasoning)

1 .

A man said to a lady, Your mother's husband's sister is my aunt!! How is the lady related to the man ?

A)

Mother

B)

Daughter

C)

Sister

D)

Grand daughter

Correct Answer : Option (C) - Sister

Explanation :

Your mother's husband — Your father; Your father's sister — Your aunt. So, lady's aunt is man's aunt and therefore lady is man's sister.

2 .

Choose the Antonym of the given word from the following options 'Jettison'

A)

Repent

B)

Descend

C)

Salvage

D)

Submerge

Correct Answer : Option (C) - Salvage

Explanation : 'Jettison' means to discard and 'salvage' means to rescue something discarded. Hence, 'salvage' is the word which is farthest in meaning to the given word 'Jettison'.

3 .

Fumble is to Finesse as Malign is to

A)

Extol

B)

Criticize

C)

Slander

D)

Assurance

Correct Answer : Option (A) - Extol

Explanation :

Fumble means grope, mishandle, drop, mistake, blunder, bungle.

Finesse means skill, grace, elegance, assurance, diplomacy, discretion.

So, they are opposites.

Similarly,

Malign means slander or criticize.

Extol means being kind or good-natured. A person without finesse often fumbles. A person without extol in his heart often maligns.

Extol means praise or exalt, benevolence

4 .

Direction: Choose a number similar to a group of numbers on the basis of certain common properties that they possess. DE: 10 : : HI: ?

A)

26

B)

36

C)

46

D)

56

Correct Answer : Option (B) - 36

Explanation : The D and E are 4th and 5th letters of the English alphabet respectively. And (4×5)÷2=10. Similarly, H and I are 8th and 9th letters of the English alphabet respectively. And, (8×9)÷2=36.

5 .

Directions- Each of the following sentences has the first word and the last word left out. Choose the pair that will fill the blanks so that the sentence becomes true and sensible_______is to Most as Worst is to_______

A)

More-Last

B)

Much-Last

C)

Many-Best

D)

Least-Best

Correct Answer : Option (D) - Least-Best

Explanation : The words in each pair are antonyms of each other.

6 .

Directions- Each of the following sentences has the first word and the last word left out. Choose the pair that will fill the blanks so that the sentence becomes true and sensible_____is to Race as Slow is to_______

A)

Run-Fast

B)

Rapid-Stroll

C)

Rapid-Stop

D)

Gallop-Fast

Correct Answer : Option (B) - Rapid-Stroll

7 .

What will come in place of question (?) mark in the following series : LA UJ YI EG ?

A)

QH

B)

ZH

C)

NR

D)

IB

Correct Answer : Option (A) - QH

Explanation :

The first letter follows +1, +2, +3, +4, ....

The second letter follows +2, +3, +4, +5,....

8 .

How many 4's are there preceded by 7 but not followed by 3?

5 9 3 2 1 7 4 2 6 9 7 4 6 1 3 2 8 7 4 1 3 8 3 2 5 6 7 4 3 9 5 8 2 0 1 8 7 4 6 3

A)

Three

B)

Four

C)

Five

D)

Six

Correct Answer : Option (B) - Four

Explanation :

7 4 2

7 4 6

7 4 1

7 4 6

Only at these placees 4 is preceded by 7 but not followed by 3

9 .

Find the missing number in the following series? 3, 5, 5, 19, 7, 41, 9, ?

A)

61

B)

65

C)

71

D)

79

Correct Answer : Option (C) - 71

Explanation :

Fiest series : 3, 5, 7, 9

Second series : 5, 19, 41, ?

Difference of Second series are 14, 22, 30 etc

Next term is 41+30 i.e equal to 71

10 .

How many pairs of letters are there in the word "CASTRAPHONE" which have as many letters between them in the word as in the alphabet?

A)

4

B)

5

C)

6

D)

7

Correct Answer : Option (C) - 6

Explanation :

Looking into the alphabets there are six such pairs namely ON, HONE, ST, TRAPHO, TRAPHON, RAP.

1. ON - NO

2. HONE - EFGH

3. ST - ST

4. TRAPHO - OPQRST

5. TRAPHON - NOPQRST

6. RAP - PQR

Mental Ability - Questions