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Mathematics Standard 8 Question Paper

Mathematics Standard 8

Course:Primary Level

Exam Year:2005

Mathematics Standard 8 KCPE Revision.

Topic: Ratio

1. Mumbua and Njeri each made a 20kg mixture of maize and beans. Mumbua mixed the maize and beans in the ratio 3:2. Njeri mixed maize and beans in the ratio 1:3. How many more kilograms of beans did Njeri use than Mumbua.

2. Which one of the following represents the ratio 4:5 expressed as percentage?

A. 44 4/9 %
B. 55 5/9 %
C. 80%
D. 125%

3. What is 1.5 expressed as a ratio in its simplest form?

4. There are 960 children in a school. If there are three girls for every two boys in the school, how many boys are there in the school?

5. In a class, the ratio of boys to girls is 3:2. There are 45 pupils in the class. One day 5 girls were absent, how many girls were present that day?

6. After washing a piece of cloth, the length shrank from 180cm to 150cm. The width decreased in the same ratio. If the original width was 120cm, what is the new width of the cloth in cm?

7. To plaster a house, same and cement were mixed in the ratio 5:1. If 24 bags of cement each weighing 50kg were used, how much was the amount of same used in tonnes?

8. In John''s farm, the ratio of cows to goats is 5:3, while that of goats to sheep is 4:7. If he has 21 sheep, what is the total number of his animals?

9. A painter mixed blue and yellow powder so that their weights were in the ratio 3:2. The total weight of the mixture was 30kg. What was the weight in kilograms, of the yellow powder used?

10. Riko, Bali, Koome and Nazir decided to start a business. Riko, Bali and Koome each contributed 1/5 of the money required while Nazir contributed Sh. 1000. How much money was contributed to start the business?

Mathematics Standard 8 Question Paper

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