Percentage Question Set 6

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.

1) Mr. Hamilton invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?
a) Rs. 6400
b) Rs. 6500
c) Rs. 7200
d) Rs. 7500
e) None of these

2) How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
a) 3.5 years
b) 4 years
c) 4.5 years
d) 5 years
e) None of these

3) A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
a) 3%
b) 4%
c) 5%
d) 6%
e) None of these

4) An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:
a) 10%
b) 10.25%
c) 10.5%
d) Data inadequate
e) None of these

5) Aastha lent Rs. 5000 to Bahubali for 2 years and Rs. 3000 to Chinky for 4 years on simple interest at the same rate of interest and received Rs. 2200 in all from both of them as interest. The rate of interest per annum is:
a) 5%
b) 7%
c) 7 1/8%
d) 10%
e) None of these