What is the sum of
.......... upto 20 terms?
Show answer & explanation
Correct answer: A
Explanation
The correct option is 1.
.......... upto 20 terms.
Or, we can rewrite it as :
(1 + 4 + 7 + 10 + ..... + 58) + ![]()
= ![]()
= ![]()
= 590 +
.
= 590 +
.
=
.
SSC CGL Tier II Quant - 09/03/2018 • Quantitative Aptitude • Q5
What is the sum of
.......... upto 20 terms?
Correct answer: A
Explanation
The correct option is 1.
.......... upto 20 terms.
Or, we can rewrite it as :
(1 + 4 + 7 + 10 + ..... + 58) + ![]()
= ![]()
= ![]()
= 590 +
.
= 590 +
.
=
.