A) 250 days
B) 300 days
C) 200 day
D) 260 days
Correct Answer: D
Solution :
(d): food available for \[120\times 200\] man days In 5 days, food exhausted =\[120\times 5\] man days \[\Rightarrow \]food left = \[120\times 195\] man days But men left = 90 \[\Rightarrow \] days food can last \[=\frac{120\times 195}{90}\text{ =}\,4\times 65\] \[\Rightarrow \] 260 days.
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