## Comparing Quantities exercise 7.2 solutions NCERT maths class 7

NCERT mathematics class 7 chapter 7.2 exercise 7.2 solutions are given.

You should read the textbook lesson Comparing Quantities very well.

You should also practice all example problems and solutions given in the textbook.

Observe the solutions and try them in your own method.

NCERT solutions for class 7

Mathematics for class 7

Comparing Quantities

Exercise 7.1

Exercise 7.2

### Maths NCERT class 7 chapter 7 exercise 7.2 solutions

Solutions of class 7 maths

Comparing quantities

Chapter 7

Exercise 7.2

7th class maths chapter 7 Comparing quantities exercise 7.2 problem 1 a

Tell what is the profit are loss in the following transactions. Also find profit percent are loss percent in each case.

a. Gardening shears bought for  Rs. 250 and sold for Rs 325.

b. A refrigerator bought for Rs. 12,000 and sold at Rs. 13,500.

7th class maths chapter 7 Comparing quantities exercise 7.2 problem 1 b

7th class maths chapter 7 Comparing quantities exercise 7.2 problem 1 c
A cupboard bought for Rs. 2,500 and sold for Rs. 3,000.

7th class maths chapter 7 Comparing quantities exercise 7.2 problem d
A skirt bought for Rs. 250 and sold at Rs. 150.

Mathematics for class 7 Chapter 7 Comparing quantities exercise 7.2 problem 2 a, b NCERT solutions

Convert of each part of the ratio to percentage

a. 3:1.      b. 2 : 3 : 5.      c. 1 : 4.      d. 1 : 2 : 5

Mathematics for class 7 Chapter 7 Comparing quantities exercise 7.2 problem 2 c, d NCERT solutions

Mathematics for class 7 Chapter 7 Comparing quantities exercise 7.2 problem 3 NCERT solutions
The population of a city decreased from 25,000 to 24 500. Find the percentage decrease.

7th class maths book solutions Chapter 7 Comparing quantities exercise 7.2 problem 4 NCERT
Arun bought a car for Rs 3,50,000. The next year the price went upto Rs. 3,70,000. What was the percentage of price increase?

7th class maths book solutions Chapter 7 Comparing quantities exercise 7.2 problem 5 NCERT
I buy a T.V. for Rs 10,000 and sell it at a profit of 20%. How much money do I get for it?

#### Solutions for exercise 7.2 class 7 NCERT

7th class maths book solutions Chapter 7 Comparing quantities exercise 7.2 problem 6 NCERT
Juhi sells a washing machine for Rs. 13,500, She lose 20% in the bargain. What was the price at which she bought it?

7th class maths book solutions Chapter 7 Comparing quantities exercise 7.2 problem 7 NCERT
i Chalk contains calcium, carbon and oxygen in the ratio 10 : 3 : 12. Find the percentage of carbon in chalk.

ii. If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?

7th maths Chapter 7 Comparing quantities exercise 7.2 problem 8 with solution NCERT

Amina buys a book for Rs. 275 and sells it at a loss of 15%. How much does she sell it for?

7th maths Chapter 7 Comparing quantities exercise 7.2 problem 9 a with solution NCERT

Find the amount to be paid at the end of 3 years in each case :

a. Principal = Rs. 1,200 under 12% p.a.

7th maths Chapter 7 Comparing quantities exercise 7.2 problem 9b with solution NCERT

Principal = Rs.7,500 at 5% p.a.

7th maths book Chapter 7 Comparing quantities exercise 7.2 problem 10 with solution NCERT

What rate gives Rs. 280 as interest on a sum of Rs. 56,000 in 2 years?

7th maths book Chapter 7 Comparing quantities exercise 7.2 problem 11 with solution NCERT

If Meena gives an interest of Rs. 45 for 1 year at 9% rate p.a. What is the sum she has borrowed?

7th maths book Chapter 7 Comparing quantities exercise 7.2

Note: Observe the solutions and try them in your own method.

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