Missing Numbers Quiz Set 005

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Question 1

In the following number series, one of the numbers does not fit into the series. Find the wrong number.

144, 121, 100, 81, 64, 49, 35, 25

 A

121

 B

100

 C

81

 D

35

Soln.
Ans: d

Number 35 is wrong and should be replaced by 36. The squares of natural numbers starting from the right side.

Solution | Discuss! | Chapters»

Question 2

Find the missing number in fig. (C)

 A

9.

 B

22.

 C

37.

 D

24.

Soln.
Ans: a

The top most number = sum of 1 and 3 number of 3 row. The middle number of row 3 is equal to the sum of numbers of the second row.

Solution | Discuss! | Chapters»

Question 3

0, 6, 24, 60, 120, 210, (?)

 A

290.

 B

336.

 C

504.

 D

240.

Soln.
Ans: b

This is how the series is made.

0, 6, 24, 60, 120, 210, 336
(1)3 - 1 = 0
(2)3 - 2 = 6
(3)3 - 3 = 24
(4)3 - 4 = 60
(5)3 - 5 = 120
(6)3 - 6 = 210
? = (7)3 - 7 = 336

Solution | Discuss! | Chapters»

Question 4

Which set of number is like the given set 8, 9, 10?

 A

1, 3, 5.

 B

6, 8, 10.

 C

7, 10, 13.

 D

23, 25, 27.

Soln.
Ans: c

The difference of two consecutive numbers is an odd number.

Solution | Discuss! | Chapters»

Question 5

Directions: Find the missing number in the following series.

4, 8, 12, 24, 36, 72, ?

 A

108

 B

98

 C

92

 D

96

Soln.
Ans: a

Series proceeds with a difference of 4, 4, 12, 12, 36, 36. Hence, the missing number will be 108.

Solution | Discuss! | Chapters»
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Updated on 2020-02-07. Published on: 2016-03-16

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