1. Anu borrowed a sum of money and returned it in three equal quarterly installments of Rs. 17,576 each. Find the sum borrowed, if the rate of interest charged was 16% per annum compounded quarterly. Find also the total interest charged (b)
(a) 46,900 and 4,700
(b) 48,775 and 3,953
(c) 68,320 and 1,200
(d) 68,320 and 1,300
2. The population of a town increases annually by 25%. If the present population is one crore, then what is the difference between the population 3 years ago and 2 years ago? (b)
(a) 25,00,000
(b) 12,80,000
(c) 15,60,000
(d) 16,50,000
3. A man borrows Rs. 4000 at 20% compound rate of interest. At the end of each year he pays back Rs. 1500. How much amount should he pay at the end of the third year to clear all his dues? (a)
(a) Rs. 2952
(b) Rs. 2852
(c) Rs. 2592
(d) Rs. 2953
4. The difference between compound interest and simple interest on a sum for 2 years at 10% per annum, when the interest in compounded annually is Rs. 16. If the interest were compounded half yearly, the difference in two interests will be: (a)
(a) Rs. 24.81
(b) Rs. 31.61
(c) Rs. 32.40
(d) Rs. 26.90
