Mental Ability - Questions

1 .

Which of the following interchange of signs would make the equation correct? 5 + 3 x 8 12 ÷ 4 = 3

+ and ÷

+ and -

- and ÷

+ and x

Correct Answer : Option (C) - - and ÷

2 .

If K denotes x, T denotes ÷, V denotes + and R denotes –, then 16 V 24 T 8 R 6 T 2 K 3 = ?

Correct Answer : Option (A) - 10

3 .

If P means '÷', Q means '+', R means '-' and S means 'x', then the value of

10 R 192 P 48 S 48 P 96 Q 1

Correct Answer : Option (D) - 9

4 .

Three of the following four are alike in certain way and hence form a group. Which one of the following does not belong to that group ?

BHF

OKG

LDJ

ZTY

Correct Answer : Option (B) - OKG

Explanation :

OKG

Remaining all are not in series

only OKG is in series of(15,11,7)

Here it follows the random difference of '4'.

5 .

What is the value of 62 tens?

620

Correct Answer : Option (D) - 620

Explanation :

Here in the question it is asked that 62 tens, which implies ten times of 62.

* 62 x 10 = 620.

Hence, the value of 62 tens = 620.

6 .

P is the brother of D. X is the sister of P. A is the brother of F. F is the daughter of D. M is the father of X. Who is the uncle of A ?

Correct Answer : Option (C) - P

Explanation :

A is the brother of F who is the daughter of D. So, A is the son of D, P is the brother of D.

So, P is the uncle of A

7 .

Pride is to lion as shoal is to

Deer

Fish

Plants

School

Correct Answer : Option (B) - Fish

Explanation :

Given Pride is to lion as shoal is to ?

Pride means a group of lions. Similarly, Shoal means a group of fish swimming. Here the other options have no relation with the given word in that manner.

Hence, Pride is to Lion as Shoal is to Fish.

8 .

1. Water boils at 100 degree C

2. Water freezes at 0 degree C

Conclusion : At low pressure ,water boils at lower temperature The conclusion drawn is

Irrelavent

True

false

Correct Answer : Option (A) - Irrelavent

9 .

In a class, seven students are standing in a row. Q is standing left to R but right to P. O is standing right to N and left to P. Similarly, S is standing right to R and left to T. Find out who is standing in the middle ?

Correct Answer : Option (C) - Q

Explanation :

As from the given conditions;

Order is

N O P Q R S T

Here the student standing in the middle is 'Q'.

10 .

Mahesh walks 200 feet straight from his house, which is facing north and then he walks 100 feet in reverse direction.Further he takes a left turn and walks 300 yards.In Which direction is Mahesh now from his original position?

North-East

North-West

South-East

South-West

Correct Answer : Option (A) - North-East

Explanation :

Mahesh From his house, Mahesh walks 200 feet straight towards North; we can write it as N₂₀₀. Similarly, the other distances and directions can be considered and written as follows : (Notice that he covers 300 yards towards East; one yard = 3 feet and hence 300 yards = 900 feet)

N₂₀₀S₁₀₀E₉₀₀ Adding all south and all North distances and finding the net result, and also adding all East and all West distances and finding the net result, this can further be summarized as : N₁₀₀E₉₀₀ Thus, the direction from his original position is North-East.