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In the following question, select the missing number from the given series. 1, 4, 15, 64, ?

A285

B315

C325

D375

Answer:

C. 325

Read Explanation:

1 × 2 + 2 = 4 4 × 3 + 3 = 15 15 × 4 + 4 = 64 64 × 5 + 5 = 325


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