Exercise 4.1
Addition and subtraction of weights
1. Add:
2. Subtract:
3. Raman bought 3 kg 250 g of tomatoes, 5 kg 110 g of potatoes and 3 kg 750 g of onions. What is the total weight of the vegetables?
Weight of tomatoes = 3 kg 250 g
Weight of potatoes = 5 kg 110 g (+)
Weight of onions = 3 kg 750 g
Total weight of vegetables = 12 kg 110 g
Answer: The total weight of the vegetables = 12kg 110g
4. Kannan bought some fruits and vegetables whose total weight is 3 kg 480 g. If the weight of fruits is 1 kg 657 g, find weight of the vegetables.
Total weight = 3 kg 480 g
Weight of fruit = 1 kg 657 g (−)
Weight of vegetables = 1 kg 823 g
Answer: The weight of the vegetables = 1kg 823g
5. The weight of first bag is 1 kg 200 g more than the weight of the second bag. If the weight of the first bag is 3 kg 500 g. Find the weight of the second bag.
Weight of first bag = 3 kg 500 g
Weight of second bag = 3kg 500g − 1 kg 200 g
3 kg 500 g
1 kg 200 g (−)
2 kg 300 g
Answer: Weight of second bag = 2kg 300g