Ratio and Proportion

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Q1. If you have a ratio of 2:3 and you have 10 total parts, how many parts are in the first group?

Solution:

2 parts out of 5 total parts = (2/5) * 10 = 4

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Q2. What is 5 × 2?

Solution:

5 × 2 = 10

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Q3. If there are 3 apples and you buy 2 more, how many apples do you have?

Solution:

3 + 2 = 5 apples

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Q4. What is 4 × 3?

Solution:

4 × 3 = 12

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Q5. If a recipe needs 2 cups of flour and you want to make half the recipe, how many cups do you need?

Solution:

2 cups ÷ 2 = 1 cup

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Q6. If you have a ratio of 2:3 and you have 10 apples, how many apples do you have in the second part of the ratio?

Solution:

10 apples in total, 2 parts + 3 parts = 5 parts. Each part = 10 ÷ 5 = 2. Second part = 3 parts = 3 x 2 = 6.

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Q7. If a recipe calls for 2 cups of flour and you want to make half the recipe, how many cups do you need?

Solution:

2 cups ÷ 2 = 1 cup