Find the Next Number in the given series 8 7 11 12 14 17 17 22 ?

Answer : 20

Find the Next Number in the given series 8 7 11 12 14 17 17 22 ?

Answer : 20

Explanation:

Written the given series into two pairs
8, 11, 14, 17, ? – difference of first pair is 3
7, 12, 17, 22 – difference of 2nd pair is 5
So,
17+3=20
Therefore the series is 8 7 11 12 14 17 17 22 20

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