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Question

Find out next term of the series 2, 7, 28, 63, 126, ....

A
210
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B
213
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C
215
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D
219
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Solution

The correct option is D 215
Given the series' terms can be written as

13+1, 231, 33+1, 431, 53+1, 631 etc.

Hence the next number is 631=2161=215

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