# Class 7 questions and answers on mass

In this session, we are going to solve Class 7 questions on mass. answers are in video format.

Lessons (**23**) * SHARE*

- 1.
A container with shoe polish weighs 50g. What is the weight in tonnes of 600 such containers?
A. 0.3
B. 3
C. 0.03
D. 300

3m 29s - 2.
A carton containing books weighs 2 kg. The weight of the empty carton is 0.5 kg. what is the total weight of books contained in 100 such cartons?
A. 50kg
B. 150kg
C. 200kg
D. 250kg

3m 43s - 3.
An empty carton weights 1kg. Ten packets of soap powder, each weighing 500g are packed in one carton. What is the weight of fifty such cartons full of soap?
A. 50kg
B. 75kg
C. 250kg
D. 300kg

5m 21s - 4.
A certain powder is packed in 1250g packets. How many such packets will weight one tonne?
A. 8000
B. 800
C. 80
D.8

2m 19s - 5.
Five hundred kilograms of tea were packed in 500g packets. How many packets were obtained?
A. 10
B. 100
C. 1000
D. 10000

2m 39s - 6.
A lorry carried 50 cartons of books and 200 cartons of milk. Each carton of books weighed 40 kilograms and each carton of milk weighed 5 kilograms. What was the total weight, in tonnes of milk and books?
A. 30 tonnes
B. 1.25 tonnes
C. 3 tonnes
D. 8.25 tonnes

5m 40s - 7.
An empty box weighed 2.5kg. Kombe packed books in the box until the total weight was 9.5kg. If each book weighed 250g, how many books were packed?
A. 10
B. 28
C. 38
D. 280

4m 54s - 8.
A company sold 2.5 tonnes of rice in 2-kg packets. How many packets were sold?
A. 125
B. 1250
C. 2500
D. 5000

3m 14s - 9.
A machine packs 250 two â€“kilograms packets of sugar while another packs 375 one- kilogram packet each day. How many tonnes of sugar altogether, do the two machines pack in five days?
A. 0.875
B. 3.125
C. 4.375
D. 6.25

6m 43s - 10.
A pick-up whose mass is one tonne when empty was loaded with 40 bags of sugar each weighing 50 kg and three bags of maize each weighing 65kg. What was the total mass in tonnes of the loaded pick-up?
A. 3.195
B. 3.065
C. 3.0
D. 2.195

7m 12s - 11.
A lorry has mass of 7.7 tonnes when loaded with 75 bags of rice. There are 33 bags each with mass of 85 kg and the rest have mass of 45kg each. What is the mass of the lorry in tones when empty?
A. 3.005
B. 4.695
C. 4.850
D. 12.395

8m 2s - 12.
A storekeeper donated 5 tonnes of sugar to families in a village. Each village received 2.5kg of sugar. How many families benefited?
A. 20000
B. 2000
C. 200
D. 20

3m 4s - 13.
A pick-up truck was loaded with 4 cartons of fat and 60 bales of flour. Each carton contained twenty four 250g packets of fat. The mass of each empty carton was 500g. Each bale contained twelve 2 kg packets of flour. What is the total load in tonnes?
A. 1466
B. 146.6
C. 14.66
D. 1.466

9m 30s - 14.
A mathematics text book has 97 sheets of paper and a cover. Each sheet of paper has a mass of 4 grams and the cover has a mass of 20g. Find the mass of the book in kilograms.
A. 0.408
B. 4.08
C. 40.8
D. 408

4m 24s - 15.
Two pick ups were used to collect garbage from a market. Each pickup carried 2 tonnes 300kg of garbage per trip. Each pickup was to make five trips. After the fourth trip one of the pickup broke down and did not carry the garbage. What was the total mass of garbage collected?
A. 23 tonnes 0kg
B. 20 tonnes 700kg
C. 18 tonnes 400kg
D. 11 tonnes 500kg

6m 29s - 16.
A lorry which carried four people of average mass 80.5kg and also loaded with cabbages weighed 5.8 tonnes. What was the mass in kilograms of cabbages if the lorry weighed 3.4 tonnes when empty?
A. 2400
B. 2319.5
C. 2078
D. 322

7m 12s - 17.
A lorry was packed with cartons each containing packets of cooking fat. There were packets of 500g and 250g. The total mass of the packets was 900kg. If the number of 500g packets was 1000,what was the number of 250g packets?
A. 1600
B. 800
C. 400
D. 100

6m 56s - 18.
Pupils contributed some money to help needy people. They bought twenty four 2-kg packets of flour, thirty six 1- kg packets of flour and a fifty kilogram bag of sugar. The flour was packed in 500g packets and the sugar in 250g packets. How many people got both a packet of flour and sugar?
A. 368
B. 200
C. 168
D. 120

8m 3s - 19.
A lorry was loaded with 150 cartons of cooking fat and 120 bales of flour. Each carton of cooking fat contained twelve 2 kg tins. The mass of an empty carton was 500grams. Each bale of flour contained twelve 2 kg packets. What was the total load in tonnes?
A. 6.480
B. 6.555
C. 6.615
D. 6.556

8m 37s - 20.
A farmer harvested 10 tonnes of maize. He used 3500kg on food and gave 2000kg to neighbours. How many tonnes of maize did he sell?
A. 15.5
B. 8.5
C. 5.5
D. 4.5

3m 36s - 21.
A lorry carrying a load of thirty bags of sugar each 90kg and forty bags of rice each 25kg. If the load is half the mass of the lorry when empty, what is the total mass of the loaded lorry in tonnes?
A. 3.7
B. 5.55
C. 7.4
D. 11.1

7m 54s - 22.
A rectangle brick weighs 3kg 750g. How many such bricks can be loaded into a lorry which can carry 3 tonnes?
A. 8
B. 80
C. 800
D. 8000

4m 17s - 23.
A cylindrical tank whose diameter is 140 cm has a height of 75 cm. How many litres of water can it hold when full? (Take #pi=22/7#)
A. 1155000
B. 115500
C. 11550
D. 1155

3m 46s

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