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Q.

In a hostel, 75 students had food provision for 24 days. If 15 students leave the hostel, for how many days would the food provision last?


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a

30

b

40

c

20

d

25 

answer is A.

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Detailed Solution

Concept- Analyze whether the given data define a positive part or an inverse part. Next, find the number of students  left after 15 students move out of the dormitory. Then use the inverse ratio to find the desired result.
Remaining Students =75−15 =60 students
75  students have food provision in a hostel for =24 days
1 student has food provision in a hostel for 24×75
There is food available for 60 students in a hostel.
Question ImageQuestion ImageHence, the correct answer is option 1.
 
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