In a fort 120 men had provisions for 30 days for now many day in the food sufficient for 100 men?
 

It is given that food lasts for 30 days for 120 men.Let the number of days for which the food lasts for 100 men = x 
 
Number of men 120 100
number of days 30 x


Clearly it is the case of indirect proportion.

So, 120 × 30 = 100 × xx = 3600100 = 36So, for 100 men the food is sufficient for 36 days.

  • 6
120 men 30 day  
100 men 30X120/100
100 men 36 day
 
  • 4
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