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A given quantity of rice is sufficient for 60 persons for 3 days. How many days would the rice last for 18 people?

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answer is A.

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Detailed Solution

Given, that a given quantity of rice is sufficient for 60 persons for 3 days.
By using the unitary method,
The given quantity of rice, sufficient for 1 person for 60

\times

3 = 180 days.
Therefore, number of days the rice last for 18 persons is

\frac{180}{18} = 10 days

.
Hence, option 1 is correct.

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