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Word Problems: Measurement of Length, Mass and Capacity | Mathematics for Class 5 PDF Download

Q1: Calculate the sum of lengths: 21 m 13 cm, 33 m 55 cm and 45 m 6 cm.
Ans:

21 m 13 cm + 33 m 55 cm + 45 m 6 cm
= (21 + 33 + 45) m (13 + 55 + 6) cm
= 99 m 74 cm
Therefore, the sum of given lengths = 99 m 74 cm.

Q2: A pile of 10 books is 10 cm high. What is the thickness of each book?
Ans:

As we know,
1 cm = 10 mm
Given that the height of a pile of 10 books = 10 cm
10 books = 10 cm
= 10 x 10 mm
= 100 mm
1 book = 100/10
= 10 mm
Therefore, the thickness of each book = 10 mm.

Q3: Beena bought 3 kg 760 grams of wool to make a carpet. How much more wool does she need to make the weight 4 kg?
Ans:

Given the weight of wool = 3 kg 760 grams
Let us convert this weight into grams.
3 kg 760 grams = (3 × 1000 + 760) grams
= (3000 + 760) grams
= 3760 grams
4 kg = (4 × 1000) grams = 4000 grams
Difference = (4000 – 3760) grams = 240 grams
Therefore, 240 grams of more wool is required.

Q4: The cost of 1 litre of syrup is Rs. 840.80. Find the cost of 600 ml of the syrup.
Ans:

Given,
The cost of 1 litre of syrup = Rs. 840.80
As we know,
1 litre = 1000 ml
The cost of 600 ml of the syrup = (600/1000) × Rs. 840.80 = Rs. 504.48

Q5: Vinu and Shan together weigh 72 kg 350 g. If Vinu weighs 39 kg 185 g, what is Shan’s weight?
Ans:

Given,
Vinu’s weight = 39 kg 185 g
Let x be Shan’s weight.
According to the given,
39 kg 185 g + x = 72 kg 350 g
x = 72 kg 350 g – 39 kg 185 g
= (72 – 39) kg (350 – 185) g
= 33 kg 165 g
Therefore, Shan’s weight is 33 kg 165 g.

Q6: Two sides of a triangle are 11 cm and 15 cm. If the perimeter of the triangle is 36 cm, find its third side.
Ans:

Let x cm be the third side of the triangle.
Given,
Two sides: 11 cm and 15 cm
Perimeter of triangle = 36 cm
11 + 15 + x = 36
26 + x = 36
x = 36 – 26
x = 10 cm
Hence, the third side of the triangle is 10 cm.

Q7: A furlong is a unit of length used in horse racing; it equals one-eighth of a mile. To the nearest tenth, how many metres are equal to a furlong if 1.609 km equals a mile?
Ans:

Given,
1.609 km = 1 mile
That means 1609 m = 1 mile
Also, one furlong = one-eighth of a mile
= (1/8) × 1.609 km
= (1/8) × 1609 m
= 201.125
= 201.1 m (approx)

Q8: One inch equals 2.54 centimetres. How many centimetres tall is an 84-inch door?
Ans:

Given,
1 inch = 2.54 cm
84 inch = ?
84 inch = 84 × 2.54 cm
= 213.36 cm
Thus, the door is 213.36 cm tall.

Q9: A tabletop measures 2 m 25 cm by 1 m 50 cm. What is the perimeter of the tabletop?
Ans:

We know that,
1 m = 100 cm
1 cm = 0.01 m
Length of tabletop = 2 m 25 cm = 2.25 m
Breadth of tabletop = 1 m 50 cm = 1.50 m
Perimeter of tabletop = 2 (Length + Breadth)
= 2 (2.25 + 1.50)
= 2 (3.75)
= 2 × 3.75
= 7.5 m
Therefore, the perimeter of the tabletop is 7.5 m.

Q10: The weight of a rice packet is 40 kg 360 g. What is the total weight of 6 rice packets of the same weight?
Ans:

Given,
Weight of a rice packet = 40 kg 360 g
Number of rice packets = 6
Total weight = 6 × weight of one rice packet
= 6 × (40 kg 360 g)
= (6 × 40) kg (6 × 360) g
= 240 kg 2160 g
= 240 kg (2000 + 160) g
= (240 + 2) kg 160 g
= 242 kg 160 g
Thus, the total weight of 6 rice packets = 242 kg 160 g.

The document Word Problems: Measurement of Length, Mass and Capacity | Mathematics for Class 5 is a part of the Class 5 Course Mathematics for Class 5.
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FAQs on Word Problems: Measurement of Length, Mass and Capacity - Mathematics for Class 5

1. What are the basic units of measurement for length, mass, and capacity?
2. How do you convert between different units of length, like centimeters to meters?
Ans. To convert centimeters to meters, divide the number of centimeters by 100. For example, 250 centimeters is equal to 250 ÷ 100 = 2.5 meters.
3. What is the difference between mass and weight?
Ans. Mass is a measure of the amount of matter in an object, typically measured in kilograms, while weight is the force exerted by gravity on that mass, typically measured in newtons. Weight can change based on the gravitational force acting on the mass.
4. How can I measure the capacity of a liquid in a container?
Ans. To measure the capacity of a liquid in a container, you can use a measuring cup or graduated cylinder. Fill the container with the liquid to the desired level, and then read the measurement marked on the side of the container.
5. Why is it important to understand measurements in daily life?
Ans. Understanding measurements is crucial in daily life for cooking, budgeting, home improvement projects, and health monitoring. Accurate measurements help ensure safety, efficiency, and effectiveness in various tasks and activities.
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