Page 146 - Revised Maths Wisdom Class - 3

144 MATHS

Solution: Weight of orange = 6 1 5 g

Weight of banana is less by = – 1 2 0 g

Weight of banana = 4 9 5 g

Hence, weight of banana is 495 g.

Example 2. A grocer had 50 kg of rice. He sold 12 kg 875 g to one customer and 24 kg
75 g to another customer. Find the weight of rice left with him.

Solution: Total quantity of rice = 50 kg

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Quantity sold to one customer = 12 kg 875 g

Quantity sold to another customer = 24 kg 75 g

Total quantity of rice sold = kg g

1 1
1 2 8 7 5

+ 2 4 7 5

3 6 9 5 0

Quantity of rice left kg g

4 9 9 10
= 50 kg – 36 kg 950 g = 13 kg 50 g
5 0 0 0 0
Hence, the quantity of rice left with – 3 6 9 5 0
him is 13 kg 50 g. 1 3 0 5 0

Exercise 11C

1 Mary’s Mathematics book weighs 375 g and her social

science book weighs 405 g. What is the total weight of
the two books?

2 A rhinoceros in the zoo when born had a weight 35kg

390g. Aft er two years, its weight increased to 205 kg.
What is the increase in its weight?