In this chapter, we provide RD Sharma Class 7 ex 2.2 Solutions Chapter 2 Fractions for English medium students, Which will very helpful for every student in their exams. Students can download the latest RD Sharma Class 7 ex 2.2 Solutions Chapter 2 Fractions Maths pdf, Now you will get step by step solution to each question.
| Textbook | NCERT |
| Class | Class 7 |
| Subject | Maths |
| Chapter | Chapter 2 |
| Chapter Name | Fractions |
| Exercise | Ex 2.2 |
RD Sharma Solutions for Class 7 Chapter 2 Fractions Ex 2.2 Download PDF
Question: 1
Multiply
Solution:
(i) We have,
(ii) We have,
(iii) We have,
(iv) We have,
Question: 2
Find the product:
Solution:
(i) We have,
(ii) We have,
(iv) We have,
Question: 3
Simplify:
Solution:
(i) We have,
(ii) We have,
(iii) We have,
Question: 4
Find:
Solution:
(i) We have,
(ii) We have,
(iii) We have,
Question: 5
Which is greater?
Solution:
While comparing two fractions, when the numerators of both the fractions are same, then the denominator having higher value shows the fraction has lower value.
So, 6/14 is greater.
Therefore, 1/2 of 6/7 is greater.
Question: 6
(i) 7/11 of 330
(ii) 5/9 of 108 meters
(iii) 3/7 of 42 litres
(iv) 1/12 of an hour
(v) 5/6 of an year
(vi) 3/20 of a Kg
(vii) 7/20 of a litres
(viii) 5/6 of a day
(ix) 2/7 of a week
Solution:
(i) We have,
(ii) We have,
5/9 of 108 meters
= 5/9 × 108 meters
= 5 × 12 meters
60 meters
(iii) We have,
3/7 of 42 litres
= 3/7× 42 litres
= 3 × 6 litres
=18 litres
(iv) We have,
1/12 of an hour
An hour = 60 minutes
Therefore, 1/12 × 60 minutes
= 5 minutes
(v) We have,
5/6 of an year
I Year = 12 months
Therefore,
5/6 × 12 months
= 5 × 2 months
= 10 months
(vi) We have,
3/20 of a kg
1 Kg = 1000 gms
Therefore,
3/20 × 1000 gms
= 3 × 50 gms
= 150 gms
(vii) We have,
7/20 of a litre
1 litre = 1000 ml
Therefore,
7/20 × 1000 ml
= 7 × 50 ml
= 350 ml
(viii) We have,
5/6 of a day
I day = 24 hours
Therefore,
5/6 × 24 hours
= 5 × 4 hours
= 20 hours
(ix) We have,
2/7 of a week
I week = 7 days
Therefore,
2/7 × 7 days = 2 days
Question: 7
Shikha plans 5 saplings in a row in her garden. The distance between two adjacent saplings is 3/4 m. Find the distance between first and last sapling.
Solution:
There are 4 adjacent spacing for 5 saplings.
Given, the distance between two adjacent saplings is 3/4 m.
4 adjacent spacing for 5 saplings = 3/4 × 4 = 3 m
Therefore, the distance between first and last sapling is 3 m.
Question: 8
Ravish reads 1/3 part of a book in one hour. How much part of the book will be read in 2(1/5) hours?
Solution:
Let x be the full part of book.
Given, Ravish reads 1/3 part of a book in one hour
1 hour = (1/3) x
Part of the book will he read in 2(1/5) hours
Question: 9
Lipika reads a book for 1(3/4) hours every day. She reads the entire book in 6 days. How many hours in all were required by her to read the book?
Solution:
Given,
Time taken by Lipika to read a book per day = 1(3/4) = 7/4 hours
Time taken by Lipika to read a book for 6 days
Question: 10
Find the area of a rectangular park which is 41(2/3)m long and 18(3/5)m broad.
Solution:
Area of a rectangular park = (length x breadth)
Question: 11
If milk is available at Rs 17(3/4) per litre, find the cost of 7(2/5) litres of milk.
Solution:
Given,
Question: 12
Sharda can walk 8(1/3) km in one hour. How much distance will she cover in 2(2/5) hours.
Solution:
Given,
Distance covered by Sharda in one hour = 25/3 km
Question: 12
A sugar bag contains 30 kg of sugar. After consuming 2/3 of it, how much sugar is left in the bag
Solution:
Given, A sugar bag contains 30 kg of sugar
After consuming 23 of it, the amount of sugar left in the bag
Question: 14
Each side of a square is 6 (2/3)m long. Find its area.
Solution:
Given,
Question: 15
There are 45 students in a class and 3/5 of them are boys. How many girls are. there in the class?
Solution:
Given,
There are 45 students in a class,
And 3/5 of them are boys.
Therefore, no of girls in the class = 45 –3/5 × 45
= 45 – 27
= 18
All Chapter RD Sharma Solutions For Class 7 Maths
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