Class 4 Maths Word Problems Chapter 8 Weigh It, Pour It

Q1: A box of mangoes weighs 2 kg. If Rina buys 4 such boxes, what is the total weight of the mangoes she bought?
Sol: One box of mangoes weighs 2 kg.
Rina buys 4 boxes.
We multiply 2 kg by 4:
2 × 4 = 8 kg
The total weight of mangoes is 8 kg.

Q2: A medicine bottle contains 250 ml of syrup. How many such bottles are needed to fill a 2-litre container?
Sol: First, convert 2 litres into millilitres:
2 × 1000 = 2000 ml
Now divide 2000 ml by 250 ml (size of one bottle):
2000 ÷ 250 = 8
So, you need 8 bottles of 250 ml to fill the container.

Q3: Arjun has 750 g of sugar. How many grams more does he need to make it 1 kg?
Sol: 1 kg = 1000 grams
Arjun has 750 grams.
To find how much more he needs:
1000 – 750 = 250 grams
Arjun needs 250 grams more sugar.

Q4: A packet of flour weighs 5 kg. How many 1 kg packets can be made from it?
Sol: Total flour = 5 kg
Each packet = 1 kg
We divide 5 by 1:
5 ÷ 1 = 5
We can make 5 packets of 1 kg each.

Q5: A tank holds 6 litres of water. How many 500 ml bottles can be filled from it?
Sol: First, convert 6 litres into millilitres:
6 × 1000 = 6000 ml
Now, divide the total amount (6000 ml) by the size of one bottle (500 ml):
6000 ÷ 500 = 12
So, you can fill 12 bottles of 500 ml each from the tank.

Q6: Nila bought 3 packets of salt, each weighing 500 g. What is the total weight in kilograms?
Sol: Each packet = 500 g
3 packets = 3 × 500 = 1500 g
1000 g = 1 kg
So, 1500 g = 1.5 kg
Total weight is 1.5 kilograms.

Q7: A milkman delivers 7 litres of milk every morning. How much milk does he deliver in 5 days?
Sol: Each day he delivers 7 litres.
So, in 5 days: 7 × 5 = 35 litres
The milkman delivers 35 litres of milk in 5 days.

Q8: A pumpkin weighs 3.25 kg. Express this in grams.
Sol: We know that 1 kg = 1000 grams.
So to convert 3.25 kg into grams, we split it:

• 3 kg = 3 × 1000 = 3000 grams

• 0.25 kg = 0.25 × 1000 = 250 grams
  Now, add both: 3000 + 250 = 3250 grams
  So, the pumpkin weighs 3250 grams.

Q9: Tina drank 3 glasses of water. Each glass holds 300 ml. How much water did she drink in litres?
Sol: First, find the total in millilitres:
3 × 300 = 900 ml
Now convert it to litres:
900 ÷ 1000 = 0.9 litres
So, Tina drank 0.9 litres of water.

Q10: A watermelon weighs 3 kg and a papaya weighs 1.5 kg. Which is heavier and by how much?
Sol: The watermelon weighs 3 kg and the papaya weighs 1.5 kg.
To find which is heavier, we compare their weights.
3 – 1.5 = 1.5
So, the watermelon is heavier by 1.5 kg.