A fort had provision of food for 150 men for 30 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is: Choose the correct option:  A) 29 1/5  B) 24  C) 42  D) 54  E) 48
After 10 days : 150 men had food for 20 days.   Suppose 125 men had food for x days.   Now, Less men, More days (Indirect Proportion)   Therefore 125 : 150 :: 20 : x &lt;=&gt; 125 x x = 150 x 20   =&gt; x =150 x 20/125   =&gt; x = 24.   Correct answer is 24
<result>B</result>
A fort had provision of food for 150 men for 30 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is: