A fort had provision of food for 150 men for 45 days. After 15 days, 25 men left the fort. The number of days for which the remaining food will last, is: Select the correct option.
A) 36 B) 37 1/4 C) 42 D) 54 E) 48
After 15 days : 150 men had food for 30 days.   Suppose 125 men had food for x days.   Now, Less men, More days (Indirect Proportion)   Therefore 125 : 150 :: 30 : x &lt;=&gt; 125 x x = 150 x 30   =&gt; x =150 x 30/125   =&gt; x = 36.   Correct answer is 36
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A fort had provision of food for 150 men for 45 days. After 15 days, 25 men left the fort. The number of days for which the remaining food will last, is: