ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 7 Percentage and Its applications Check Your Progress
Convert the following percentages into fractions in the simplest form:
(i) 12 %
(ii) 66 %
(iii) 8 %
Express each of the following fractions as a percentage:
Express each of the following percentages as a decimal:
(iii) 3 %
Express 0.0345 as a percentage.
Convert each part of the ratio 5 : 6 : 9 to a percentage.
(i) What percent of a day is half an hour?
(ii) What percent is metres of 4 metres?
The population of a town decreased from 25000 to 24500. Find the percentage decrease.
Arun bought a car for ₹ 350000. The next year, the price went upto ₹ 370000. What was the precentage increase in the price?
The population of a village has decreased by 6%. If the original population was 3650, find the population after decrease.
43% of the students in a school are girls. If the number of boys is 1482, find:
(i) the total strength of the school
(ii) number of girls in the school.
Rohan bought a calculator for ₹ 760 and sold it for ₹ 874. Find his profit and profit percentage.
On selling an article for ₹ 1027, Meena suffered a loss of ₹ 273. Find her loss percentage.
By selling a fan for ₹ 710, a trader suffers a loss of ₹ 40. Find the cost price of the fan. At what price this fan should be sold in order to gain 10%?
A shopkeeper sells an article at ₹ 300, thus earning a profit of 20%. Find the cost price of the article.
A shopkeeper sells an article at ₹ 320, thus suffering a loss of 20%. Find the cost price of the article.
If ₹ 6000 is borrowed at 6.5% per annum simple interest, find the interest and the amount to be paid at the end of 3 years.
How long will it take for ₹ 1860 invested at the rate of 9.5% per annum simple interest to amount to ₹ 2449?
At what rate will ₹ 7200 fetch a simple interest of ₹ 3024 in 4 years?
What sum of money will yield a simple interest of ₹ 1155in 3 years 6 months at 11% p.a.?