Numbers-Data Intensity 3 Questions and Answers Discussion Page.

Join Us :: Register Login

Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

Numbers-Data Intensity 3 :: Discussion

20.	2 + 22 + 23 + ... + 29 = ?
	A.	2044
	B.	1022
	C.	1056
	D.	None of Above

Answer: Option B

Explanation:

This is a G.P. in which a = 2, r = 2² = 2 and n = 9.

2

S_n = a(rⁿ - 1) = 2 x (2⁹ - 1) = 2 x (512 - 1) = 2 x 511 = 1022.

(r - 1) (2 - 1)

Tutorial Link:

Published by:Michael Daani

Comments are not available

Post your comments here:

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject

Computer Science English Mcqs Agriculture

Engineering

Computer Science Civil Engineering

Technical

Networking Electronics Database

Past Papers

Model Papers FPSC Papers