1.
What will come in place of the question mark (?) in the following number series ?12, 19, 35, 59, 90, ?
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By: anil on 05 May 2019 01.35 am
19 - 12 = 7 35 - 19 = 16 59 - 35 = 24 90 - 59 = 31 Let us look at the second order difference. 16 - 7 = 9 24 - 16 = 8 31 - 24 = 7 The next difference will be 31 + 6 = 37 90 + 37 = 127 Option B is the right answer.
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