Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.3

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.3

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Exercise 2.3
Ex 2.3 Class 7 Maths Question 1.
Find:

Solution:

Ex 2.3 Class 7 Maths Question 2.
Multiply and reduce to lowest form (if possible):

Solution:

Ex 2.3 Class 7 Maths Question 3.
Multiply the following fractions:

Solution:

Ex 2.3 Class 7 Maths Question 4.
Which is greater:

Solution:

Ex 2.3 Class 7 Maths Question 5.
Saili plants 4 saplings, in a row, in her garden. The distance between two adjacent saplings is (frac{3}{4}) m. Find the distance between the first and the last sapling.
Solution:
Number of saplings = 4
Distance between two adjacent saplings = (frac{3}{4}) m
∴ Distance between the first and the last sapling

Ex 2.3 Class 7 Maths Question 6.
Lipika reads a book for (1 frac{3}{4}) hours everyday. She reads the entire book in 6 days. How many hours in all were required by her to read the book?
Solution:
In 1 day Lipika needs (1 frac{3}{4}) hours
In 6 days Lipika will need (6 times 1 frac{3}{4}) hours

Hence the required hours = (10 frac{1}{2}).

Ex 2.3 Class 7 Maths Question 7.
A car runs 16 km using 1 litre of petrol. How much distance will it cover using (2 frac{3}{4}) litres of petrol?
Solution:
In 1 litre of petrol, the car covers 16 km distance In (2 frac{3}{4}) litres of petrol, the car will cover (2 frac{3}{4}) × 16 km distance

Hence, the required distance = 44 km.

Ex 2.3 Class 7 Maths Question 8.

Solution:

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