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

Directions:

In each of these questions, a number series is given. In each series, only one number is wrong number. Find out the wrong number.

Question :16

8 12 24 46 72 108 216

Answer: (c)

The series is

×1.5, × 2, ×1.5, ×2, ×1.5, ×2, .....

Question :17

850 600 550 500 475 462.5 456.25

Answer: (b)

The series is

– 200, –100, –50, –25, – 12.5, –6.25, ......

Question :18

32 16 24 65 210 945 5197.5

Answer: (e)

series completion verbal reasoning competitive exam mcq 3 36 q15

Question :19

9050 5675 3478 2147 1418 1077 950

Answer: (e)

The pattern of number series is as follows:

9050 – 153 = 9050 – 3375 = 5675

5675 – 133 = 5675 – 2197 = 3478

3478 – 113 = 3478 – 1331 = 2147

2147 – 93 = 2147 – 729 = 1418

1418 – 73 = 1418 – 343 = 1075 ≠ 1077

Question :20

6 91 584 2935 11756 35277 70558

Answer: (c)

The pattern of number series is as follows:

6 × 7 + 72 = 42 + 49 = 91

91 × 6 + 62 = 546 + 36 = 582 ≠ 584

582 × 5 + 52 = 2910 + 25 = 2935

2935 × 4 + 42 = 11740 + 16 = 11756

11756 × 3 + 32 = 35268 + 9 = 35277

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