defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Ratio and Proportion Compound Ratios
A, B and C are three boxes containing marbles in the ratio 2 : 3 : 5, and the total number of marbles is 80. If 6 marbles are transferred from A to B and 10 marbles are transferred from C to B, then the new ratio of marbles for B : A : C is:
1
4 : 1 : 3
2
1 : 5 : 3
3
1 : 5 : 4
4
1 : 4 : 3