SSC CHSL Model Paper 5

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DIRECTIONS (Qs. 6-7): In thefollowing question a series is given, with me term missing. Choose the correct alternative from the given ones that will complete the series.

Question : 7 of 100

Marks: +1, -0

8,15,28,53,...?

Validate

Solution:

8 × 2 -1 = 15,

15 × 2 -2 = 2 8 ,

2 8 × 2 -3 = 53,

53×2-4=102

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