How many sides does a regular polygon have whose interior and exterior angle are in the ratio 2 : 1 ?

If A : B = 3 : 4 and B : C = 8 : 9, then A : B : C is = ?

If 4 years ago the ratio between the ages of P and Q was 5 : 6 and the sum of their ages at present is 52, what is the r…

The fourth proportional to 5, 8, 15 is:

The salaries of A, B and C are in the ratio 1 : 3 : 4. If the salaries are increased 5%, 10% and 15% respectively. Then …

The ratio of the number of ladies to that of gents at a party was 3 : 2. When 20 more gents joined the party, the ratio …

If x : 7.5 = 7 : 17.5, then the value of x is -

The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8…