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zee

· started a discussion

· 1 Months ago

wrong answer (Question:114129.0)

number of extra days is 6. 37-31.

Question:

In a fort there was sufficient food for 200 soldiers for 31 days . After 27 days 120 soldiers left the fort . For how many extra days will the rest of the food last for the remaining soldiers ?

Options:
A) 10 days
B) 6 days
C) 4 days
D) 12 days
Solution:
Ans: (b)


Ratio of new number of persons in fort : original number of persons in the fort = 80 : 200= 2 : 5;

Hence the food will last for 5/2 days of the original (4 days = 31 days -27 days) 

\(\cfrac{5}{2}\times4=10\) days

So extra days = 6 days

Knowledge Expert

· commented

· 1 Months ago

Dear student
We have made the required corrections.

Regards
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