regulatoryBody NABARD Development Assistant 2022 Mock Test Quantitative Aptitude Ratio and Proportion Compound Ratios
In an alloy, there are four elements, P, Q, R and S. The ratio of P, Q and R is 7 : 6 : 2 and that of P and S is 3 : 5. What amount of alloy should be taken so that it has 3.6 kg of Q (in kg)?
1
12
2
16
3
15
4
18
5
21