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in Ratio and Proportion by (15.8k points)
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The ingredients required for the preparation of Ragi Kali, a healthy dish of Tamilnadu is given below.

(a) If one cup of ragi flour is used then, what would be the amount of raw rice required?

(b) If 16 cups of water are used, then how much of ragi flour should be used?

(c) Which of these ingredients cannot be expressed as a ratio? Why?

1 Answer

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(a) Given Ragi flour: raw rice = 4 : 1

If one cup of ragi flour used then the ratio of ragi flour : raw rice = 44:14=1:14

Raw rice required = 14 cup

(b) Ratio of water : ragi flour = 8 : 4

If 16 cups of water used then ratio of water : ragi flour = 8 × 2 : 4 × 2 = 16 : 8

8 cups of ragi flour are used.

(c) We know that the quantities of the same units can be compared. Here Ragi flour, Raw rice and water are in one unit, Sesame oil and salt are in different units, these different units cannot be compared and cannot be expressed as a ratio.

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