Page 98 - Math Skill - 5

96 Maths

Example 2: The cost of a geometry box is ` 50.95. Find the cost of 55 such boxes.

Solution: Cost of 1 geometry box = ` 50.95 5 0 9 5
× 5 5
Cost of 55 such boxes = ` 50.95 × 55 2 5 4 7 5
= ` 2802.25 + 2 5 4 7 5 0

Hence, the cost of 55 boxes is ` 2802.25 2 8 0 2 2 5

Example 3: A small bottle holds 0.845 kg of sauce. How much sauce will be there in 16 such
bottles? 8 4 5

Solution: Capacity of one bottle = 0.845 kg × 1 6

Capacity of 16 such bottles = 0.845 kg × 16 = 13.520 kg + 5 0 7 0
8 4 5 0
Hence, 16 bottles will have 13.520 kg of sauce. 1 3 5 2 0

Example 4: Mr. Kaushik distributed ` 560 among NCC cadets for refreshment. If each cadet
received ` 8.75, how many cadets were there?

Solution: Total amount distributed = ` 560 6 4
Amount received by each cadet = ` 8.75 875 5 6 0 0 0
– 5 2 5 0
Number of cadets = ` 560 = ` 560 × 100 3 5 0 0
875. 875. 100 – 3 5 0 0

56000 ×
= ` = ` 56000 ÷ 875 = 64
875

Hence, the number of cadets is 64.

Exercise 6.8

1. The sum of two numbers is 83.12. If one of the numbers is 21.325, find the other number.

2. Surbhi went to the market with ` 51.75 in her wallet. She purchased a notebook for ` 35.25.
How much money is left with her how?

3. Ritu walks 2.85 km and Renu walks 3.7 km. How much distance is covered by them in
total?
4. The cost of 1 metre of ribbon is ` 5.35. What will be the cost of 8.5 metres of ribbon?

5. The length of a saree is 5.75 m, find the length of 15 such sarees.
6. If a tin of chocolates weighs 1.4 kg, find the weight of 14 tins of chocolates.

7. The cost of a pair of sunglasses is ` 145.50. Find the cost of 44 such sunglasses.

8. The cost of 1.4 kg of sugar is ` 22.33. Find the cost of 1 kg sugar.
9. 8.96 kg of wheat is to be put equally into 8 bags. How much is put into each bag?