Word Problem: Decimals - 1 | Mathematics for Class 5 PDF Download

Q1: Sarah bought 3.25 kg of apples and 2.75 kg of oranges. How much fruit did she buy in total?

Sol: Weight of apples = 3.25 kg
Weight of oranges = 2.75 kg
Total weight of fruit = 3.25 kg + 2.75 kg = 6.00 kg 
Therefore, Sarah bought 6.00 kg of fruit in total.

Q2: John had ₹15.90. He spent ₹2.95 on a snack. How much money does he have left?

Sol: John's initial amount = ₹15.90
Cost of snack = ₹2.95
Remaining money = ₹15.90 - ₹2.95 = ₹12.95 
So, John has ₹12.95 left.

Q3 : A bottle of juice costs ₹1.50. How much would 4 bottles cost?

Sol: Cost of one bottle = ₹1.50
Number of bottles = 4
Total cost = ₹1.50 × 4 = ₹6.00 
Hence, four bottles of juice cost ₹6.00.

Q4: A pizza was cut into 8 equal pieces. Each piece weighs 0.125 kg. What was the total weight of the pizza?

Sol: Weight of one piece = 0.125 kg
Number of pieces = 8
Total weight = 0.125 kg × 8 = 1.00 kg 
The total weight of the pizza is 1.00 kg.

Q5: Convert the fraction 3/4 to a decimal.

Sol: Numerator = 3
Denominator = 4
Decimal = 3 ÷ 4 = 0.75
Thus, the decimal equivalent of 3/4 is 0.75.

Q6: Mia needs 2.75 cups of flour for cookies. She already has 1.5 cups. How much more flour does she need?

Solution: Total flour needed = 2.75 cups
Flour Mia has = 1.5 cups
Additional flour needed = 2.75 cups - 1.5 cups = 1.25 cups
Mia needs an additional 1.25 cups of flour.

Q7: Leo has a budget of ₹150.00 for a trip. He spends ₹87.50 on gas and ₹22.25 on snacks. How much of his budget is left?

Sol: Original budget = ₹150.00

Total spent = ₹87.50 (gas) + ₹22.25 (snacks) = ₹109.75

Remaining budget = ₹150.00 - ₹109.75 = ₹40.25 
Leo has ₹40.25 left for his trip.

Q8: A rope 9.5 meters long is cut into two pieces, one of which is 3.7 meters. How long is the other piece?

Sol: Total length of rope = 9.5 meters

Length of one piece = 3.7 meters

Length of other piece = 9.5 meters - 3.7 meters = 5.8 meters 
The other piece of rope is 5.8 meters long.

Q9: Emily drinks 1.75 liters of water each day. How much water does she drink in a week?

Sol: Daily water intake = 1.75 liters
Number of days in a week = 7
Weekly water intake = 1.75 liters × 7 = 12.25 liters 
Emily drinks 12.25 liters of water in a week.

Q10: A car travels 0.8 kilometers in one minute. How far will it travel in 25 minutes?

Sol: Distance per minute = 0.8 kilometers
Time = 25 minutes
Total distance = 0.8 kilometers × 25 = 20 kilometers 
The car will travel 20 kilometers in 25 minutes.