Assignment 1 Q. No. Question Description 1 If 10% of x is equal to 20% of y, then find x : y. 2 Saroj invests 72318, which is 17% of her annual income, in mutual funds. What is her monthly income? What least value must be assigned to * so that the number 197*5462 is divisible by 9? 3 4 A television manufacturer earns 20% profit by selling each T.V. set for ` 14400. If the production cost is increased by 15%, what should be the new selling price of a set so as to gain 15%? 5 Adam borrowed some money at the rate of 6% p.a. for the first two years, at the rate of 9% p.a. for the next three years, and at the rate of 14% p.a. for the period beyond five years. If he pays a total interest of 11400 at the end of nine years, how much money did he borrow? 6 Find the compound interest on 16000 at 20% per annum for 9 months, compounded quarterly. 7 Difference of two numbers is 1660. If 7.5% of one number is 12.5% of the other number, find the two Numbers 8 Vijay invests 85963, which is 15% of his annual income, in mutual funds. What is her monthly income? 9 What least value must be assigned to * so that the number 197*5462 is divisible by 3? 10 The present population of a village is 5500. If the number of males increases by 11% and the number of females increases by 20%, then the population will become 6330. What is the present population of females in the village?