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