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Missing Number Questions Answers

Q1 :

Observe the pair of numbers to the left part of ::, which has certain relationship. Using the same relationship, what should be the missing numbers of the pair on the right side?
121:6::189:?

A
  

12

B
  

22

C
  

15

D
  

19

View Answer
Correct Answer: A

12

Description:

121=11x11 we have to multiply 2 numbers to get the result 121 is a 3 digit number and 6=2x3
hence 189=3x3x3x7 have to multiply 4 digits 189 is a 3 digit number thus answer could be 4x3=12

Q2 :

In the following series, which is the missing number?
0 3 ? 15 24

A
  

4

B
  

7

C
  

8

D
  

5

View Answer
Correct Answer: C

8

Description:

12−1=0 22−1=3 ?=32−1=8 42−1=15 52−1=24begin{aligned} 1^2 - 1 &= 0 2^2 - 1 &= 3 ?=3^2 - 1 &= 8 4^2 - 1 &= 15 5^2 - 1 &= 24 end{aligned}

Q3 :

The missing number in the figure shown below is

A
  

45

B
  

54

C
  

72

D
  

90

View Answer
Correct Answer: C

72

No Description Available
Q4 :

What is the missing ratio in the following series?

A
  

L14frac{text{L}}{14}

B
  

I18frac{text{I}}{18}

C
  

I20frac{text{I}}{20}

D
  

L20frac{text{L}}{20}

View Answer
Correct Answer: B

I18frac{text{I}}{18}

No Description Available
Q5 :

Use some rule and then find out the right option for the blank cell (?) —

A
  

34

B
  

31

C
  

29

D
  

28

View Answer
Correct Answer: C

29

Description:

7−5=(2)1 15−11=(2)2 29−21=(2)3begin{aligned} 7-5 = (2)^1 \ 15-11 = (2)^2 \ 29-21 = (2)^3 end{aligned}

Q6 :

The missing number in the following table is—

A
  

12

B
  

15

C
  

6

D
  

4

View Answer
Correct Answer: A

12

Description:


Q7 :

The value of x in the following table is—

A
  

19

B
  

18

C
  

15

D
  

13

View Answer
Correct Answer: D

13

Description:

8×2=16and 8+2=109×4=36and x=9+4=134×4=16and 4+4=8begin{aligned} &8 times 2 = 16 \ &text{and } 8 + 2 = 10 \ &9 times 4 = 36 \ &text{and } x = 9 + 4 = 13 \ &4 times 4 = 16 \ &text{and } 4 + 4 = 8 end{aligned}

Q8 :

Find the value of x in the following table is—

A
  

25

B
  

32

C
  

17

D
  

28

View Answer
Correct Answer: B

32

Description:

AK 1 + 11 - 1 = 11
CF 3 + 6 - 1  = 8
DH 4 + 8 - 1 = 11
LN 12 + 14 -1 =25
OR xx = 15 + 18 - 1 = 32

Q9 :

Find the missing number in the following table is—

A
  

18

B
  

16

C
  

15

D
  

10

View Answer
Correct Answer: D

10

Description:

20+10=30÷2⇒155+15=20÷2⇒1010+10=20÷2⇒10begin{aligned} 20+10 = 30 div 2 Rightarrow 15 \ 5+15 = 20 div 2 Rightarrow 10 \ 10+10 = 20 div 2 Rightarrow 10 end{aligned}

Q10 :

What is the missing number 'x' of the series 18, 30, 48, 72, 96, x ?

A
  

106

B
  

115

C
  

120

D
  

96

View Answer
Correct Answer: D

96

Description:

∵(18−3×1)×2=30,(30−3×2)×2=48,(48−3×4)×2=72,(72−3×8)×2=96,∴(96−3×16)×2=96begin{aligned} because quad &(18-3 times 1) times 2 = 30, &(30-3 times 2) times 2 = 48, &(48-3 times 4) times 2 = 72, &(72-3 times 8) times 2 = 96, therefore quad &(96-3 times 16) times 2 = 96 end{aligned}