1 votes 1 votes If $a$ and $b$ are integers of opposite signs such that $\left ( a+3 \right )^{2}:b^{2}= 9:1$ and $\left ( a-1 \right )^2 : \left ( b-1 \right )^2= 4:1$ , then the ratio $a^{2}:b^{2}$ is $9:4$ $81:4$ $1:4$ $25: 4$ Quantitative Aptitude cat2017-1 quantitative-aptitude ratio-proportion + – go_editor asked Mar 13, 2020 • retagged Mar 15, 2022 by Lakshman Bhaiya go_editor 13.9k points 699 views answer comment Share See all 0 reply Please log in or register to add a comment.