Megha invests an amount of Rs. 15,860 in the names of her three daughters A, B and C in such a way that they get the same interest after 2, 3 and 4 years respectively. If the rate of simple interest is 5 % p.a, then the ratio of the amounts invested among A, B and C will be – 

Out of ₹ 20, 000 Narendra gives some amount on loan at simple interest rate 8 % per annum and rest amount at simple interest rate 4 / 3 % per annum. At the end of year he earns ₹ 800. The amount given at 8 % rate will be – 

Nitin borrowed some money at the rate of 6% p.a. for the first three years, 9 % p. a. for the next five years and 13 % p.a. for the period beyond eight years. If the total interest paid by him at the end of eleven years is ₹8,160, the money borrowed by him ( in ₹ ) was -  

What is the simple interest when Rs. 13000 get the interest Rs. 6,370 in the $$ {3{1\over 2}}$$ year?

A sum of money amounts to 5,200 in 5 years and to 5,680 in 7 years at simple interest. The rate of interest per annum is-

If x, y, z are three sum of money such that y is the simple interest on x and z is the simple interest on y for the same time and at the same rate of interest, then what is the relation between x, y, z we have –