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Test: Ratio and Proportion - Year 7 MCQ


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10 Questions MCQ Test - Test: Ratio and Proportion

Test: Ratio and Proportion for Year 7 2024 is part of Year 7 preparation. The Test: Ratio and Proportion questions and answers have been prepared according to the Year 7 exam syllabus.The Test: Ratio and Proportion MCQs are made for Year 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Ratio and Proportion below.
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Test: Ratio and Proportion - Question 1

The ratio of two bags of flour is 3 : 4. If the smaller bag holds 900 g of flour, how much does the larger bag hold?

Detailed Solution for Test: Ratio and Proportion - Question 1
A ratio such as 3:4 means 3/7 of one thing and 4/7 of another thing. The 7 comes from adding 3 and 4. The ratio 3:4 can also be written as a fraction 3/4 for calculations. In this case 900/x = 3/4 where x is the big bag of flour: so x = (4 x 900)/3. Use this method when dealing with ratios
Test: Ratio and Proportion - Question 2

A road map is drawn to a scale of 1 cm = 8 km. A distance of 6.5 cm on the map represents how many kilometres of the road?

Detailed Solution for Test: Ratio and Proportion - Question 2
The ratio for a 1cm = 8km scale is 1 : 800,000!
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Test: Ratio and Proportion - Question 3

A drink is made from orange juice and lemonade in the ratio 3 : 7. How much lemonade is needed if 60 ml of orange juice is used?

Detailed Solution for Test: Ratio and Proportion - Question 3
60 ml / 3 = 20 ml and 7 x 20 ml = 140 ml
Test: Ratio and Proportion - Question 4
What is 150 cm : 4 m in its simplest form?
Detailed Solution for Test: Ratio and Proportion - Question 4
The common factor is 50 cm. There are 3 x 50 cm in 150 cm and there are 8 x 50 cm in 4 m
Test: Ratio and Proportion - Question 5
15 pints of milk cost £7.80. What is the cost of 22 pints of milk?
Detailed Solution for Test: Ratio and Proportion - Question 5
15 : 22 is roughly 2 : 3. £7.80 ÷ 2 = £3.90 so you know your answer will be approximately £3.90 x 3 = £11.70
Test: Ratio and Proportion - Question 6
Divide £85 in the ratio 1 : 4.
Detailed Solution for Test: Ratio and Proportion - Question 6
Remember the two numbers must total £85
Test: Ratio and Proportion - Question 7
Divide 240 litres in the ratio 3 : 5.
Detailed Solution for Test: Ratio and Proportion - Question 7
3 + 5 = 8 so first divide 240 litres by 8 then multiply by both 3 and 5
Test: Ratio and Proportion - Question 8

In a classroom, the ratio of boys to girls is 3:4. If there are 12 boys, how many girls are there?

Detailed Solution for Test: Ratio and Proportion - Question 8

The ratio 3:4 means for every 3 boys, there are 4 girls.
Since there are 12 boys, we set up the proportion 3/4 = 12/x.
Cross-multiplying gives 3x = 48, so x = 16.

Test: Ratio and Proportion - Question 9
What is 12 kg : 4,800 g in its simplest form?
Detailed Solution for Test: Ratio and Proportion - Question 9
It may be easier to first convert 12kg into 12,000g
Test: Ratio and Proportion - Question 10

Simplify the ratio 8:12.

Detailed Solution for Test: Ratio and Proportion - Question 10

To simplify the ratio, divide both parts by their greatest common factor, which is 4.
So, 8 ÷ 4 = 2 and 12 ÷ 4 = 3, giving the simplified ratio 2:3.

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