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What should come in place of question mark (?) in the given number series ?8 5 4 7 18 ?
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By: anil on 05 May 2019 01.35 am
Let the missing number be y here the pattern is 5 - 8 = -3 4 - 5 = -1 7 - 4 = 3 18 - 7 = 11 y - 18 = m .......(1) Now as we can see that the difference between consecutive terms of this series is increasing by $$(2)^n$$, i.e -1 - (-3) = 2 3 - (-1) = 4 11 - 3 = 8 m - 11 = 16 .....(2) From 1 and 2 y = 45
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