engineering recuitment NCRTC Station Controller Mock Test 2021 Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of father’s age to his son’s age is 8 : 5. The product of their age is 1440. The ratio of their ages after 6 years will be
1
2 : 1
2
3 : 2
3
11 : 6
4
13 : 9