Page 41 - Maths Skills - 7

Fractions and Decimals 39

6. The product of two numbers is 1.8576. If one of 8. A car covers 46.8 km in 3.6 litres of petrol. What
the number is 0.54. Find the other. distance does it cover in one litre of petrol?
7. A car covers a distance of 198.2 km in 4.4 hours.
Find the distance covered by the car in an hour.

INTEGRATED QUESTION

G. Social Science Vs Maths
The map given below shows the ten largest countries in the world by area. 12
Algeria: million km 2
5

Argentina: 2.78 million km 2
77
Australia: million km 2
10
Brazil: 8.516 million km 2

29
China: million km 2
3
Canada: 9.98 million km 2

India: 3.28 million km 2
8
Kazakhstan: million km 2
3
Russia: 17.1 million km 2

49
USA: million km 2
5

Now answer the following questions:

(a) Arrange these countries according to their area in descending order.
(b) Which country has bigger area? Canada or China.
(c) How many times is the area of India bigger than the area of Algeria?

(d) 7 of earth is covered with water. 1 of that is from pacific ocean. What part of earth is covered by
9 2
pacific ocean?

HOTS

6 1
1. A shelf is 24 cm long. How many books can be arranged on the shelf if each book is 4 cm wide? How
7 7
2
many encyclopedias can fit on the shelf if each occupies 5 cm of width?
7
3 1
2. A cat drinks 1 litres of milk contained in a utensil having 2 litres of milk. What fraction of milk did the
4
4
cat drink?