0 votes 0 votes 990 981 997 972 1008 ? (a) 110 (b) 1020 (c) 900 (d) 959 (e) 725 Quantitative Aptitude sequences&series + – go_editor asked Jan 31, 2017 go_editor 13.8k points 611 views answer comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes 990 , 997 = +7 (difference) 981 , 972 = -9 997 , 1008 = +11 972 , 959 = -13 So option d 959 shivanisrivarshini answered Mar 1, 2017 shivanisrivarshini 1.9k points comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes The pattern of the given series is as follows: $990-3^2=981$ $981+4^2=997$ $997-5^2=972$ $971+6^2=1008$ $1008-7^2=959$ So option (D) is correct. Hira Thakur answered Apr 21, 2023 Hira Thakur 7.1k points comment Share See all 0 reply Please log in or register to add a comment.