Class 7, Maths, Chapter 2, Exercise 2.2 Solutions
Q.1. Which of the drawings (a) to (d) show:
(i) $2\times \frac{1}{5}$
(ii) $2\times \frac{1}{2}$
(iii) $3\times \frac{2}{3}$
(iv) $3\times \frac{1}{4}$
Ans:
(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)
(iv) $3\times \frac{1}{4}$ represents drawing (c)
Q.2. Some pictures (a) to (c) are given below. Tell which of them show:
(i) $3\times \frac{1}{5}=\frac{3}{5}$
(ii) $2\times \frac{1}{3}=\frac{2}{3}$
(iii) $3\times \frac{3}{4}=2\frac{1}{4}$
Ans:
(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)
Q.3. Multiply and reduce to lowest form and convert into a mixed fraction:
Q.4. Shade:
(i) $\frac{1}{2}$ of the circles in box (a)
(ii) $\frac{2}{3}$ of the triangles in box (b)
(iii) $\frac{3}{5}$ of the squares in box (c).
Q.5. Find:
(a) $\frac{1}{2}$ of (i) 24 (ii) 46
(b) $\frac{2}{3}$ of (i) 18 (ii) 27
(c) $\frac{3}{4}$ of (i) 16 (ii) 36
(d) $\frac{4}{5}$ of (i) 20 (ii) 35
Q.6. Multiply and express as a mixed fraction:
Q.7. Find:
(a) $\frac{1}{2}\,\,of\,\,(i)\,\,\,\,\,2\frac{3}{4}\,\,\,\,\,\,\,\,\,\,\,(ii)\,\,4\frac{2}{9}$
(b) $\frac{5}{8}\,\,of\,\,(i)\,\,\,\,\,3\frac{5}{6}\,\,\,\,\,\,\,\,\,\,\,(ii)\,\,9\frac{2}{3}$
Q.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?
NCERT Solutions For Class 7 Maths, Chapter 2, Fractions and Decimals (All Exercises)
Class 7, Maths, Chapter 2, Fractions and Decimals
Class 7, Maths, Chapter 2, Fractions and Decimals, Exercise 2.1
Class 7, Maths, Chapter 2, Fractions and Decimals, Exercise 2.2 ← You are here
Class 7, Maths, Chapter 2, Fractions and Decimals, Exercise 2.3
Class 7, Maths, Chapter 2, Fractions and Decimals, Exercise 2.4
Class 7, Maths, Chapter 2, Fractions and Decimals, Exercise 2.5
Class 7, Maths, Chapter 2, Fractions and Decimals, Exercise 2.6
Class 7, Maths, Chapter 2, Fractions and Decimals, Exercise 2.7