Question

The first and last terms of an arithmetic progression are 37 and ­18. If the sum of the series is 114, then it has how many terms?

A) 13 B) 12 C) 14 D) 15

Answer 1

Step-by-step explanation:

given :-

• The first and last terms of an arithmetic progression are 37 and ­18.

Answer

• A) 13

Answer 2

D) 15 ...............