Question

Comlete the series-5,?,15,75,525,4725,51975

Answer 1

hey here is your answer,
answer is 5 because,
5 ✖ 1=5
5 ✖ 3=15
15✖ 5=75
75✖ 7=525
525✖9=4725
4725✖11=51975
hence, the answer is 5.
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