List of top Arithmetic and Mental Ability Questions on Ratio and Proportion

The ratio of civil cases to criminal cases in a court is 4 : 7. If there are 420 civil cases, then the total number of cases in the court is

The ratio of the present ages of X and Y is 4 : 9. After 8 years, the ratio will be 6 : 11. The present age of Y is

The ratio of four numbers is 3 : 4 : 5 : 6 and the sum of the four numbers is 7200. The largest of the four numbers, is

If a : b = 4 : 5, b : c = 5 : 4 and c : d = 6 : 5, then a : b : c : d =