Percentage Question Set 8

Hello Readers,

Percentage questions are asked in almost all competitive exams. They are followed by simple tricks and calculations, and cover about 2% of the paper marks. They also include questions from Compound Interest and Simple Interest. Here is a sample paper sheet of the missing number puzzle for your practice. Do give us a review.

Q1. Ravi borrowed some money at the rate of 4 p.c.p.a for the first three years, at the rate of 8 p.c.p.a for the next two years and at the rate of 9 p.c.p.a for the period beyond 5 years. If he pays a total simple interest of Rs 19550 at the end of 7 years, how much money did he borrow?
(a) Rs 39500
(b) Rs 42500
(c) Rs 41900
(d) Rs 43000
(e) Rs 45500

Q2. Mr. X invested an amount for 2 years at 15 percent per annum at simple interest. Had the interest been compounded anually, he would have earned Rs. 450/- more as interest. What was the amount invested?
(a) Rs. 22,000
(b) Rs. 24,000
(c) Rs. 25000
(d) Rs. 25500
(e) Rs. 20000

Q3. Two equal sums of money were invested-one at 4 1/2% p.a. and the other at 4% p.a . At the end of 7 years, the simple interest received from the former was exceeded to that received from the latter by Rs 31.50. Each sum was
(a) Rs 100
(b) Rs 500
(c) Rs 750
(d) Rs 900
(e) Rs 950

Q4. A certain amount is invested in scheme A for 6 years which offers simple interest at the rate of x% per annum. The same amount is invested in scheme B for 2 years which offers compound interest (compound annually) at the rate of 10% per annum. Interest earned from scheme A is twice to that of earned from scheme B. If the rate of interest of scheme A had been (x + 2)% per annum, the difference between the interest after corresponding periods would have been Rs 3960. What is the amount invested in each scheme?
(a) Rs 15,000
(b) Rs 12,000
(c) Rs 13,000
(d) Rs 12,500
(e) Rs. 13,500

Q5. A sum is divided between A and B in the ratio of 1 : 2. A purchased a car from his part, which depreciates at the rate of 100/7% per annum and B deposited his amount in a bank, which pays him 20% interest per annum compounded annually. By what percent will the total sum of money increase after two years due to this investment pattern (approximately)?
(a) 20.5%
(b) 26.66%
(c) 30%
(d) 25%
(e) 23%