verbal series Model Questions & Answers, Practice Test for ssc chsl tier 1

Directions:

What should come in place of question mark (?) in the following number series?

Question :1

12 18 36 102 360 (?)

Answer: (a)

The pattern of the number series is as given below:

12 × 4 – 30 = 48 – 30 = 18

18 × 4 – 36 = 72 – 36 = 36

36 × 4 – 42 = 144 – 42 = 102

102 × 4 – 48 = 408 – 48 = 360

360 × 4 – 54 = 1440 – 54 = 1386

Question :2

342 337.5 328.5 315 297 (?)

Answer: (a)

series completion verbal reasoning competitive exam mcq 3 36 q11

Question :3

144 173 140 169 136 (?)

Answer: (e)

The pattern of the number series is as given below:

144 + 29 = 173

173 – 33 = 140

140 + 29 = 169

169 – 33 = 136

136 + 29 = 165

Question :4

11 10 18 51 200 (?)

Answer: (d)

The pattern of the number series is as given below:

11 × 1 – 1 = 10

10 × 2 – 2 = 18

18 × 3 – 3 = 51

51 × 4 – 4 = 200

200 × 5 – 5 = 995

∴ ? = d

Question :5

71 78 99 134 183 (?)

Answer: (c)

series completion verbal reasoning competitive exam mcq 3 36 q10

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