Page 127 - Math Skill - 5

Measurement 125

Example 7: If each bag of sugar weighs 23 kg 500 g, what is the total weight of 9 such bags?

Solution: Weight of one sugar bag = 23 kg 500 g

Weight of 9 such bags = 23 kg 500 g × 9
kg g

2 3 5 0 0
× 9
2 1 1 5 0 0 Hence, the weight of 9 sugar bags is 211 kg 500 g.

Exercise 9.2

1. Add the following.
(a) 84 g 90 mg, 33 g 33 mg and 7 g 7 mg (b) 6 kg 360 g, 9 kg 75 g and 80 g

(c) 9 kL 9 L, 7 kL 60 L and 93 L (d) 37 L 56 mL, 30 L 67 mL and 91 L 25 mL
(e) 8 km 75 m, 13 km 163 m and 834 m (f) 35 m 76 cm, 9 m 34 cm and 95 cm

2. Subtract the following.

(a) 46 m 85 cm from 70 m (b) 16 km 375 m from 33 km 97 m
(c) 8 kg 24 g from 12 kg 10 g (d) 41 kg 432 g from 100 kg

(e) 46 kL 375 L from 90 kL 90 L (f) 29 L 875 mL from 83 L 70 mL

3. 5 children weigh 45.2 kg, 63.75 kg, 36.125 kg, 35.896 kg and 54.283 kg. Find their total
weight.
4. My mother bought 6.5 L of oil. If each litre costs ` 64.50, how much did she spend?

5. 15 slabs of chocolate weigh 7.5 kg. How much does 1 slab weigh?
6. If a pile of books is 52.5 cm high and each book is 3.5 cm thick, how many books are there
in the pile?

7. The milkman divides 20.41 L of milk into 13 cans. How much milk is there
in each can?

8. 9 bottles of Pepsi weigh 12.24 kg. What is the weight of one bottle?

9. 10.86 kg of bajra is to be put equally in 8 bags. How much bajra is put in each bag?

10. 7 gold chains weigh 25.714 g each. Find their total weight.

11. The cost of 1.4 kg of sugar is ` 22.33. Find the cost of 1 kg sugar.

12. One bag of rice weighs 6.35 kg. What is the weight of 9 such bags?