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Question

Question: Sum of n terms of the series 12 + 16 + 24 + 40 +…will be...

Sum of n terms of the series 12 + 16 + 24 + 40 +…will be

A

2 (2n – 1) + 8n

B

2 (2n – 1) + 6n

C

3 (2n – 1) + 8n

D

4 (2n – 1) + 8n

Answer

4 (2n – 1) + 8n

Explanation

Solution

12 + 16 + 24 +……

Put n = 1 or 2 in option and check