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 13.8k points 2.9k 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 7.1k 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.