Open In App

Aptitude | Arithmetic Aptitude 4 | Question 3

Like Article
Like
Save
Share
Report

7 + 72 + 73………..76 =?

(A) 140136
(B) 142156
(C) 133256
(D) 137256


Answer: (D)

Explanation:

Given series is a G. P. with a = 7, r = 7 and n = 6

∴ Sn = a(rn-1) / (r-1)

∴ Sn = 7(76-1) / 6

  Sn = = 137256


Quiz of this Question


Last Updated : 28 Jun, 2021
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads