New NABARD Grade A : How to prepare ESI for Prelims & Mains- Sources & Strategy
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Question

In a retreat, there is sufficient food for 300 people for the duration of the retreat. After 8 days, 100 people leave the retreat. Then, after another 3 days, 50 people join the group, resulting in the food lasting for 6 more days. Determine the number of days the food would have lasted had no one left or joined.

A 15 days Correct Answer Incorrect Answer
B 25 days Correct Answer Incorrect Answer
C 16 days Correct Answer Incorrect Answer
D 22 days Correct Answer Incorrect Answer
E none of these Correct Answer Incorrect Answer

Solution

ATQ, So, the food would have lasted for 15 days if the group size had remained constant.

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