Missing Numbers Quiz Set 014

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Question 1

Examine this series: 2, 4, 9, 20, 43, 90. If another series is written with the same rule, what number would come in the place D: 3, A, B, C, D, E ?

 A

58

 B

99

 C

48

 D

59

Soln.
Ans: d

2 X 2 + 0 gives 4, then 4 X 2 + 1 gives 9, then 9 X 2 + 2 gives 20, then 20 X 2 + 3 gives 43, and so on. On similar pattern, A= 3 X 2 + 0 = 6, B = 6 X 2 + 1 = 13, then C = 13 X 2 + 2 = 28, then D = 28 X 2 + 3 = 59.

Solution | Discuss! | Chapters»

Question 2

5, 6, 9, 15, (?), 40.

 A

21.

 B

25.

 C

27.

 D

33.

Soln.
Ans: b

5 ( + 1), 6 ( + 3), 9 ( + 6), 15 ( + 10), 25 ( + 15), 40.

Solution | Discuss! | Chapters»

Question 3

Directions: One number is missing in the series. You have to understand the pattern of the series and then insert the missing number.

5, 7, 11, 19, 35, 67, ?, 259

 A

64

 B

131

 C

135

 D

32

Soln.
Ans: b

Series moves with a difference of 2, 4, 8, 16, 32, 64. Hence, the missing number will be 67 + 64 = 131.

Solution | Discuss! | Chapters»

Question 4

2, 15, 41, 80, (?)

 A

111.

 B

120.

 C

121.

 D

132.

Soln.
Ans: d

2 (+13), 15 (+26), 41 (+39), 80 (+52), 132.

Solution | Discuss! | Chapters»

Question 5

3, 12, 27, 48, 75, 108, (?)

 A

147.

 B

162.

 C

183.

 D

192.

Soln.
Ans: a

3 (+ 9), 12 (+ 15), 27 (+ 21), 48 (+ 27), 75 (+ 33), 108 (+ 39), 147.

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

Posted by Parveen(Hoven),
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