We have seen that to make idlis rice and urad must be in the ratio 2 : 1. If the total of rice and urad taken is 9 cups, how many cups of rice was taken? And how many cups of urad?

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Solution

Ratio of rice to urad in the mixture = 2 : 1

So, 3 (= 2 + 1) cups of the mixture contain 2 cups of rice and 1 cup of urad.

Total number of cups of rice-and-urad mixture = 9

Number of cups of rice taken = 9 × = 6

Number of cups of urad taken = 9 × = 3

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We have seen that to make idlis rice and urad must be in the ratio 2 : 1. If the total of rice and urad taken is 9 cups, how many cups of rice was taken? And how many cups of urad?

Ratio of rice to urad in the mixture = 2 : 1 So, 3 (= 2 + 1) cups of the mixture contain 2 cups of rice and 1 cup of urad. Total number of cups of rice-and-urad mixture = 9 Number of cups of rice taken = 9 × = 6 Number of cups of urad taken = 9 × = 3

Ratio of rice to urad in the mixture = 2 : 1

So, 3 (= 2 + 1) cups of the mixture contain 2 cups of rice and 1 cup of urad.

Total number of cups of rice-and-urad mixture = 9

Number of cups of rice taken = 9 × = 6

Number of cups of urad taken = 9 × = 3