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

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

On increasing the salary of a man by 25%, it becomes Rs 20,000. What was his original salary? (a) Rs 15000 (b) Rs 16000 (c) Rs 18000 (d) Rs 25000

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

If the simple interest on a certain sum for 2 years at the rate of 5% per annum is Rs 4000, then the sum is (a) Rs 46,000 (b) Rs 44,000 (c) Rs 40,000 (d) Rs 48,000

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