RBSE Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7

Rajasthan Board RBSE Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7 Textbook Exercise Questions and Answers.

RBSE Class 7 Maths Solutions Chapter 2 Fractions and Decimals Ex 2.7

Question 1.
Find:
(i) 0.4 ÷ 2
Answer:
0.4 ÷ 2
4 ÷ 2 = 2
0.4 ÷ 2 = 2

(ii) 0.35 ÷ 5
Answer:
0.35 ÷ 5
35 ÷ 5 = 7
0.35 ÷ 5 = 0.07

(iii) 2.48 ÷ 4
Answer:
2.48 ÷ 4
248 ÷ 4 = 62
2.48 ÷ 4 = 0.62

(iv) 65.4 ÷ 6
Answer:
65.4 ÷ 6 = 6
654 ÷ 6 = 109
65.4 ÷ 6 = 10.9

(v) 651.2 ÷ 4
Answer:
651.2 ÷ 4
6512 ÷ 4 = 1628
651.2 ÷ 4 =162.8

(vi) 14.49 ÷ 7
Answer:
14.49 ÷ 7
1449 ÷ 7 = 207
14.49 ÷ 7 = 2.07

(vii) 3.96 ÷ 4
Answer:
3.96 ÷ 4
396 ÷ 4 = 99
3.96 ÷ 4 = 0.99

(viii) 0.80 ÷ 5
Answer:
0.80 ÷ 5
80 ÷ 5 =16
0.80 ÷ 5 = 0:16

Question 2.
Find:
(i) 4.8 ÷ 10
Answer:
4.8 ÷ 10 = 0.48

(ii) 52.5 ÷ 10
Answer:
52.5 ÷ 10 = 5.25

(iii) 0.7 ÷ 10
Answer:
0.7 ÷ 10 = 0.07

(iv) 33.1 ÷ 10
Answer:
33.1 ÷ 10 = 3.31

(v) 272.23 ÷ 10
Answer:
272.23 ÷ 10 = 27.223

(vi) 0.56 ÷ 10
Answer:
0.56 ÷ 10 = 0.056

(vii) 3.97 ÷10
Answer:
3.97 ÷ = 10 = 0.397

Question 3.
Find :
(i) 2.7 ÷ 100
Answer:
2.7 ÷ 100 = 0.027

(ii) 0.3 ÷ 100
Answer:
0.3 ÷ 100 = 0.003

(iii) 0.78 ÷ 100
Answer:
0.78 ÷ 100 = 0.0078

(iv) 432.6 ÷ 100
Answer:
432.6 ÷ 100 = 4.326

(v) 23.6 ÷ 100
Answer:
23.6 ÷ 100 = 0.236

(vi) 98.53 ÷ 100
Answer:
98.53 ÷ 100 = 0.9853

Question 4.
Find:
(i) 7.9 ÷ 1000
Answer:
7.9 ÷ 1000 = 0.0079

(ii) 26.3 ÷ 1000
Answer:
26.3 ÷ 1000 = 0.0263

(iii) 38.53 ÷ 1000
Answer:
38.53 ÷ 1000 = 0.03853

(iv) 128.9 ÷ 1000
Answer:
128.9 ÷ 1000 = 0.1289

(v) 0.5 ÷ 1000
Answer:
0.5 ÷ 1000 = 0.0005

Question 5.
Find:
(i) 7 ÷ 3.5
(ii) 36 ÷ 0.2
(iii) 3.25 ÷ 0.5
(iv) 30.94 ÷ 0.7
(v) 0.5 ÷ 0.25
(vi) 7.75 ÷ 0.25
(vii) 76.5 ÷ 0.5
(viii) 37.8 ÷ 1.4
(ix) 2.73 ÷ 1.3
Answer:

Question 6.
A vehicle covers a distance of 43.2 km in 24 litres of petrol. How much distance will it cover in one litre of petrol?
Answer:
∵ Distance covered in 2.4 litres of petrol = 43.2km
∴ Distance covered in 1 litre of petrol
= 43.2 ÷ 2.4
= \(\frac{43.2}{2.4}=\frac{43.2 \times 10}{2.4 \times 10}=\frac{432}{24}\) = 18 Km