Question

What will come in the place of blank in the following series?
5, 65, 6, 78, 7, 91, 8, ?, 9, 117.

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Answer 1

Answer:

104

Step-by-step explanation:

first we will just look at the even place numbers which are 65, 78, 91, ?, 117.

they all have gap of 13 in them so we will simply add 13 in 91 and the answer is 104.