NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.2
- Class 7 Maths Fractions and Decimals Exercise 2.1
- Class 7 Maths Fractions and Decimals Exercise 2.2
- Class 7 Maths Fractions and Decimals Exercise 2.3
- Class 7 Maths Fractions and Decimals Exercise 2.4
- Class 7 Maths Fractions and Decimals Exercise 2.5
- Class 7 Maths Fractions and Decimals Exercise 2.6
- Class 7 Maths Fractions and Decimals Exercise 2.7
NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Exercise 2.2
Ex 2.2 Class 7 Maths Question 1.
Which of the drawings (a) to (d) show.
(begin{array}{ll}{(i) 2 times frac{1}{5}} & {(i i) 2 times frac{1}{2}} {(i i i) 3 times frac{2}{3}} & {(i v) 3 times frac{1}{4}}end{array})
Solution:
(i) (2 times frac{1}{5}) represents drawing (d)
(ii) (2 times frac{1}{2}) represents drawing (b)
(iii) (3 times frac{2}{3}) represents drawing (a)
(ic) (3 times frac{1}{4}) represents drawing (c)
Ex 2.2 Class 7 Maths Question 2.
Some pictures (a) to (c) are given below. Tell which of them show:
Solution:
(i) (3 times frac{1}{5}=frac{3}{5}) represents figure (c)
(ii) (2 times frac{1}{3}=frac{2}{3}) represents figure (a)
(iii) (3 times frac{3}{4}=2 frac{1}{4}) represents figure (b)
Ex 2.2 Class 7 Maths Question 3.
Multiply and reduce to lowest form and convert into a mixed fraction:
Solution:
Ex 2.2 Class 7 Maths Question 4.
Shade:
(i) (frac{1}{2}) of the circles in box (a)
(ii) (frac{2}{3}) of the circles in box (b)
(iii) (frac{3}{5}) of the circles in box (c)
Solution:
Ex 2.2 Class 7 Maths Question 5.
Find:
Solution:
Ex 2.2 Class 7 Maths Question 6.
Multiply and express as a mixed fraction.
Solution:
Ex 2.2 Class 7 Maths Question 7.
Find:
Solution:
Ex 2.2 Class 7 Maths Question 8.
Vidya and Pratap went for a picnic. Their mother gave them a water bottle that contained 5 litres of water. Vidya consumed (frac{2}{5}) of the water. Pratap consumed the remaining water.
(i) How much water did Vidya drink?
(ii) What fraction of the total quantity of water did Pratap drink?
Solution:
(i) Water consumed by Vidya = (frac{2}{5}) of 5 litres
Water consumed by Patap
= 5 litres – 2 litres = 3 litres
(ii) Fraction of water consumed by Pratap
= (frac{3}{5}) litres
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