Class 7 Maths

Decimals

Exercise 2.7

Question 1: Find the value of following:

• 0.4 ÷ 2

Answer: 0.4 ÷ 2 = 0.2
• 0.35 ÷ 5

Answer: 0.35 ÷ 5 = 0.07
• 2.48 ÷ 4

Answer: 2.48 ÷ 4 = 0.62
• 65.4 ÷ 6

Answer: 65.4 ÷ 6 = 10.9
• 651.2 ÷ 4

Answer: 651.2 ÷4 = 162.8
• 14.49 ÷ 7

Answer: 14.49 ÷ 7 = 2.07
• 3.96 ÷ 4

Answer: 3.96 ÷ 4 = 0.99
• 0.80 ÷ 5

Answer: 0.80 ÷ 5 = 0.16

Question 2: Find the value of following:

• 4.8 ÷ 2

Answer: 4.8 ÷ 2 = 2.4
• 52.5 ÷ 10

Answer: 52.5 ÷ 10 = 5.25
• 0.7 ÷ 10

Answer: 0.7 ÷ 10 = 0.07
• 33.1 ÷10

Answer: 33.1 ÷10 = 3.31
• 272.23 ÷ 10

Answer: 272.23 ÷ 10 = 27.223
• 0.56 ÷10

Answer: 0.56 ÷10 = 0.056
• 3.97 ÷ 10

Answer: 3.97 ÷ 10 = 0.397

Question 3: Find the value of following:

• 2.7 ÷ 100

Answer: 2.7 ÷ 100 = 0.027
• 0.3 ÷ 100

Answer: 0.3 ÷ 100 = 0.003
• 0.78 ÷ 100

Answer: 0.78 ÷ 100 = 0.0078
• 432.6 ÷ 100

Answer: 432.6 ÷ 100 = 4.326
• 23.6 ÷100

Answer: 23.6 ÷100 = 0.236
• 98.53 ÷100

Answer: 98.53 ÷100 = 0.9853

Question 4: Find the value of following:

• 7.9 ÷ 1000

Answer: 7.9 ÷ 1000 = 0.0079
• 26.3 ÷ 1000

Answer: 26.3 ÷ 1000 = 0.0263
• 38.53 ÷1000

Answer: 38.53 ÷1000 = 0.03853
• 128.9 ÷1000

Answer: 128.9 ÷1000 = 0.1289
• 0.5 ÷1000

Answer: 0.5 ÷1000 = 0.0005

Question 5: Find the value of following:

• 7 ÷3.5

Answer: 7 ÷3.5 = 2
• 36 ÷0.2

Answer: 36 ÷0.2 = 180
• 3.25 ÷0.5

Answer: 3.25 ÷0.5 = 6.5
• 30.94 ÷0.7

Answer: 30.94 ÷0.7 = 44.2
• 0.5 ÷0.25

Answer: 0.5 ÷0.25 = 2
• 7.75 ÷0.25

Answer: 7.75 ÷0.25 = 31
• 76.5 ÷ 0.15

Answer: 76.5 ÷ 0.15 = 510
• 37.8 ÷ 1.4

Answer: 37.8 ÷ 1.4 = 27
• 2.73 ÷1.3

Answer: 2.73 ÷1.3 = 2.1

Question 6: A vehicle covers a distance of 43.2 km in 2.4 litres of petrol. How much distance will it cover in one litre of petrol?

Answer: Distance can be calculated as follows:
43.2 ÷ 2.4 = 18 km