Question

If a1, a2, a3, ……a20 are in A.P. and a1 + a20 = 45 , then a1, a2, a3, ……a20 is equal to
(A) 90 (B) 900 (C) 350 (D) 450 (E) 730
ANSWER : D
22. Sum

Answer 1

Answer:

answer for the given problem is given