Number Series - Type 1

In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much

Look at this series: 1, 5, 13, 25, 41, ... What number should come next?

Answer: Option C

Explanation:

The given series is in pattern + 4, + 8, + 12, + 16, .....

So, the missing term = 41 + 20 = 61

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