Aptitude | Progressions | Question 4

Find the Sum of series: 10, 7, 4, 1, -2
(A) 40
(B) 21
(C) 20
(D) 18


Answer: (C)

Explanation: Sum of series = (n/2)[2a+(n-1)d]
= 20


Quiz of this Question
Please comment below if you find anything wrong in the above post

My Personal Notes arrow_drop_up