Question

the sum of first 10 terms of the AP 5,8,11,...15
a)255
b)185
c)275
d)200​

Answer 1

Step-by-step explanation:

Jawaharlal Nehru, was 58 when he started the long innings of 17 years as free India's first Prime Minister.

Answer 2

$s = \frac{10}{2} (2 \times 5 + 9 \times 3) \\ \\ s = 5(10 + 27) \\ \\ s = 5 \times 37 \\ \\ s = 185$