Which of the following ratios is proportional to 4:2?

8:4

2:1

6:3

5:2

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Q1.

What is the ratio of urad dal to rice in a mixture of 2 cups of rice and 1 cup of urad dal?

Q2.

If 6 cups of rice are mixed with 3 cups of urad dal, what is the simplified ratio of rice to urad dal?

Q3.

Are the mixtures of 6:3 and 4:2 proportional?

Q4.

If a mixture has a ratio of 5:3, how many cups of a substance A are required for 12 cups of substance B?