SSC Delhi Police Constable 2025 Mock Test Series (New) Quantitative Aptitude Ratio and Proportion Simple Ratios
A box has a total of 420 coins with Rs. 1, 50 paise and 20 paise, the ratio of their price is 13 ∶ 11 ∶ 7. Accordingly, what is the number of 50 paise coins in the box?
1
78
2
132
3
42
4
66