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QUESTION
Q
What will come in place of question mark (?) in the following number series:
13, 20, 39, 78, 145, (?)
Solution
The pattern of the number series is:
13 + 7 = 20
20 + 19(= 7 + 12) = 39
39 + 39(= 19 + 20) = 78
78 + 67(= 39 + 28) =...
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