railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion Age
The ratio of Vipralav’s age 12 years ago and Shubham’s age after 16 years is 1 : 1. If at present, the ratio of their ages is 3 : 1, then find the ratio between Vipralav’s age after 3 after and Shubham’s age 4 years ago.
1
7 : 2
2
2 : 7
3
2 : 9
4
9 : 2