0 votes 0 votes 25, 100, ?, 1600, 6400 A. 400 B. 300 C. 360 D. 420 E. None of these Quantitative Aptitude sequences&series + – go_editor asked Jan 31, 2017 go_editor 13.9k points 3.0k views answer comment Share See all 0 reply Please log in or register to add a comment.
1 votes 1 votes Here,the number is multiplied by 4 successively to get the next result. $25 \times 4 =100$ $100 \times 4 =400$ $400 \times 4 =1600$ $1600 \times 4 =6400$ Hence,Option(A)$400$ is the correct choice. Leen Sharma answered Jan 31, 2017 Leen Sharma 11.5k points comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes The pattern is as follows: $25*4=100$ $100*4=400$ $400*4=1600$ $1600*4=6400$ Another observation: The given series is a completely divisible series. each number is div by 4. Hence option (A) 400 is correct. Hira Thakur answered Feb 27, 2017 • edited Apr 21, 2023 by Hira Thakur Hira Thakur 7.2k points comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Option A Gupta sneha answered Mar 30, 2017 Gupta sneha 74 points comment Share See all 0 reply Please log in or register to add a comment.