Question

3,5,6,10,9,15,12 complete the series

Answer 1

Answer:

there are two series with alternate terms

(3,6,9,12,15 ) & (5,10,15,20)

so next two numbers are 20,15

for odd places add 3

even places add5

so next number is 20

In this way we can find the answer.

ans: 20,15,25,18,30,21,35,24,40,27

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