Complete the series :21, 23, 27, 33, – InterviewSolution

1.

Complete the series :21, 23, 27, 33,

Answer»

The difference between the consecutive terms is increasing by 2. It follows the series 2,4,6,.. So, the next difference should be 2+6 = 8.

Hence, the next number is 33+8 = 41

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