Explore topic-wise MCQs in Mental Ability.

This section includes 28 Mcqs, each offering curated multiple-choice questions to sharpen your Mental Ability knowledge and support exam preparation. Choose a topic below to get started.

1.

Directions: Observe the figure of a plane view of a cube and answer the given questions following it. Which face will be opposite to face "T" after folding a cube?

A.  P  
B.  Q
C.  2
D.  S
Answer» D.  S
2.

The faces of the given die show symbols  \[\Delta ,\#,*,X,\,\] and O.Identify the symbol on the face opposite to the face showing \[\Delta .\]

A. \[\square \]
B. O  
C.  
D. \[*\]
Answer» C.  
3.

Two positions of a dice are given below. When one dot is at the top, how many dots will be at the bottom?    

A.  2    
B.  3
C.  XV    
D.  6
Answer» E.
4.

The two positions of a dice are given below. What number will be at the bottom, if 5 is at the top?  

A.  1  
B.  2  
C.  BT   
D.  6
Answer» C.  BT   
5.

Two positions of a dice are shown below. What is the number of dots at the bottom face when the dice is in position (i)?   

A.  1
B.  5
C.  4  
D.  Cannot be determined
Answer» D.  Cannot be determined
6.

Which sign will be opposite to '+' ?

A.  \[\div \]  
B.  \[-\] 
C.  4
D.  \[\Delta \]
Answer» D.  \[\Delta \]
7.

Two positions of a dice are shown here. When 4 is at the bottom, which number will be on the top?     (SOF NCO 2016)

A.  1  
B.  2  
C.  5  
D.  6  
Answer» B.  2  
8.

Two positions of a dice are shown below. When there are two dots at the bottom/ the number of dots at the top will be ____.      (SOF NCO 2016)  

A.  3   
B.  5
C.  3
D.  Cannot be determined  
Answer» B.  5
9.

Four different positions of a dice are shown. Which number will be on the face opposite to the face having number 3?      (SOF NCO 2016)

A.  1    
B.  2
C.   
D.  5  
Answer» B.  2
10.

On the basis of the following figures, identify the number which comes in the place of X.

A.  2
B.  3 
C.  3  
D.  4
Answer» C.  3  
11.

Three positions of a dice are given. Based on them, find out which number is found opposite the number 2 in the given cube.

A.  6 
B.  5 
C.  Kalim   
D.  1
Answer» B.  5 
12.

Choose the box that is similar to the box formed from the given sheet (X) of paper.   

A.  1 and 3 only
B.  2, 3 and 4 only
C.  BFC  
D.  3 and 4 only
Answer» D.  3 and 4 only
13.

Choose the box that is similar to the box formed from the given sheet (X) of paper    

A.  1 and 2 only
B.  2 and 3 only
C.  4    
D.  1, 2, 3 and 4
Answer» C.  4    
14.

The faces of given die show 1, 2, 3, 4, 5 and 6 dots. Find the number of dots on the face opposite to the face showing 6 dots.

A.  2  
B.  5
C.  S, P, T    
D.  3
Answer» C.  S, P, T    
15.

From a \[10\times 10\times 10\] cube, which is formed by combinations of \[1\times 1\times 1\] cubes, a layer of the smaller cubes is removed. What will be the number of \[1\times 1\times 1\] cubes present in this new cube?

A. 900
B. 488
C. 512
D. 729
Answer» D. 729
16.

From the following positions of dice, find which number will come in place of "?"

A. 4
B. 5
C. 2
D. 3
Answer» E.
17.

The first republic day of India was celebrated on 26th January 1950. It was -

A. Monday
B. Tuesday
C. Thursday
D. Friday
Answer» D. Friday
18.

A clock is set right at 5 a.m. The clock loses 16 min. in 24 hours. What will be the true time when the clock indicates 10 p.m. on the 4th day?

A. 11p.m.
B. 10p.m.
C. 9p.m.
D. 8p.m.
Answer» B. 10p.m.
19.

If it was Saturday on 17th December, 2002 what was the day on 22nd December, 2004?

A. Monday
B. Tuesday
C. Wednesday
D. Sunday
Answer» E.
20.

How many times between 4 a.m. and 5 a.m. The minute and hour hands of a clock will be at right angle?

A. 2
B. 3
C. 4
D. 1
Answer» C. 4
21.

How many times does the 29th day of the month occur in 400 consecutive years?

A. 4497
B. 1237
C. 5012
D. 4126
Answer» B. 1237
22.

If the two hands in a clock are 3 minutes divisions apart, then the angle between them is

A. \[{{3}^{o}}\]
B. \[{{18}^{o}}\]
C. \[{{24}^{o}}\]
D. \[{{60}^{o}}\]
Answer» C. \[{{24}^{o}}\]
23.

A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 O'clock, the true time is ?

A. 4 p.m.
B. \[59\frac{7}{12}\] minutes past 3
C. \[58\frac{7}{11}\] minutes past 3
D. \[2\frac{3}{11}\]minutes past 4
Answer» B. \[59\frac{7}{12}\] minutes past 3
24.

If M is a subset of N, then M \[\bigcup \] N =

A. M
B. N
C. M\[\bigcap \]N
D. \[\phi \]
E. None of these
Answer» C. M\[\bigcap \]N
25.

If A = {2, 4, 5}, B = {7, 8, 9}, then n \[\left( A\text{ }\times \text{ }B \right)\] is equal to  

A. 6
B. 9
C. 3
D. 0
E. None of these
Answer» C. 3
26.

If (P \[\bigcup \] Q) \[\bigcap \] (P \[\bigcap \] Q) = P, then which one among the following is true?

A. Q\[\subset \]P
B. \[\phi \]
C. P\[\subset \]Q
D. both A and B
E. None of these
Answer» D. both A and B
27.

lf \[P=\{x:x\in ,x\le 2\}\]and \[Q\text{ }=\left\{ x:x\in N,x<20 \right\}\]then \[n\text{ }(P\bigcup Q)=\_\_\_\_\]

A. 13
B. 12
C. 11
D. 8
E. None of these
Answer» C. 11
28.

If \[U=\left\{ 1,\text{ }7,\text{ }11,\text{ }13,\text{ }15,\text{ }18,\text{ }21,\text{ }32,\text{ }35,\text{ }39 \right\},\]then which of the following is not a subset of U.

A. \[A=\left\{ 1,\text{ }18,\text{ }7,\text{ }35 \right\}\]
B. \[B=\left\{ 21,\text{ }11,\text{ }35,\text{ }7,\text{ }13 \right\}\]
C. \[C=\left\{ 7,\text{ }18,\text{ }32,\text{ }11 \right\}\]
D. \[D=\left\{ 1,\text{ }7,\text{ }18,\text{ }15,\text{ }13,\text{ }2 \right\}\]
E. None of these
Answer» E. None of these