What is the compound interest on a sum of ₹12000 for 2 5/8 years at 8% per annum, when the interest is compounded annually? (nearest to a rupee)

A sum of ₹31866 is divided between A, B and C such that the ratio of shares of A and B is 9 : 8 and that of A and C is 4 : 5. The share (in ₹) of B is

In how many ways can 24 persons be seated around a circular table if there are 13 seats?

The ratio of alcohol and water in a mixture of 85 L is 11 : 6. How much water should be added to make the ratio 5 : 3?

Ram sold a motorcycle for ₹70000 at 25% profit. For what price should he sell the motorcycle to gain 30% profit?

A, B and C started a business by investing ₹13750, ₹16250 and ₹18750 respectively. If B's share in the profit earned by them is ₹5200, what is the total profit (in ₹) earned by them together?

A is twice as good a workman as B and together they finish a piece of work in 13 days. In how many days will B alone finish the work?

In ΔABC, ∠A = 90°, M is the mid-point of BC and D is a point on BC such that AD ⊥ BC. If AB = 7 cm and AC = 24 cm, then AD : AM is equal to

Joe's present age is 2/7th of his father's present age. Joe's brother is 3 years older than Joe. The respective ratio between the present ages of Joe's father and Joe's brother is 14 : 5. What is Joe's present age?