If the annual rate of simple interest increases from 10% to `12 1/2%` , a mans yearly income increases by Rs 1250. His principal (in Rs) is (a) Rs 45,000 (b) Rs 50,000 (c) Rs 60,000 (d) Rs 65,000

A money lender finds that due to a fall in the annual rate of interest from 8% to 7 3/4% , his yearly income diminishes by Rs 61.50. His capital is (a) Rs 22,400 (b) Rs 23,800 (c) Rs 24,600 (d) Rs 26,000

M borrowed some money for 1 year at certain simple interest. But the interest rate was increased to 2% which amounted to Rs. 120 . Find the principal amount. A. Rs. 4,000 B. Rs. 5,000 C. Rs. 6,000 D. Rs. 7,000

The amount of Rs 25,000 at 8% per annum for 6 years under simple interest is Rs 35,000 (b) Rs 37,000 Rs 45,000 (d) Rs 47,000

To produce an annual income of Rs 1200 from a 12% stock at 90, the amount of stock needed is (a) Rs 10,000 (b) Rs 10,800 (c) Rs 14,400 (d) Rs 16,000

A sum was put at simple interest at a certain rate for 3 years.Had it been put at 1% higher rate,it would have fetched Rs 5100 more.The sum is (a) Rs1,20,000 (b) Rs 1,25,000 (c) Rs 1,50,000 (d) 1,70,000

Peter invested an amount of Rs 12,000 at the rate of 10 p.c.p.a. simple interest and another amount at the rate of 20 p.c.p.a. simple interest. The total interest earned at the end of one year on the total amount invested became 14 p.c.p.a. Find the total amount invested. (a) Rs 20,000 (b) Rs 22,000 (c) Rs 24,000 (d) Rs 25,000

A sum of money lent at compound interest for 2 years at 20% per annum would fetch Rs482 more,if the interest was payable half-yearly than if it was payable annually.The sum is: (a) Rs 10,000 (b) Rs 20,000 (c) Rs 40,000 (d) Rs 50,000

The sum of money which when given on compound interest at 18% per annum would fetch Rs 960 more when the interest is payable half yearly than when it was payable annually for 2 years is (a) Rs 60,000 (b) Rs 30,000 (c) Rs 40,000 (d) Rs 50,000

On increasing the salary of a man by 25%, it becomes Rs 20,000. What was his original salary? Rs 15000 (b) Rs 1600 Rs 18000 (d) Rs 25000