Question

The 10th term of the G.P 7,14,28,56, .. is what ​

Answer 1

Answer:

Answer

Correct answer is

3584

Clearly, 7 × 2 = 14,

14 × 2 = 28, ... so on.

So, the given series in a G.P. in which a = 7 and r = 2.

∴ 10th term = ar

(10−1)

=ar

9

=7×2

9

=7×512=3584.

Hence the answer is (c).