If the 80 people had eaten 100 kg rice in 20 days then 40 people eat 15 kg rice in how many days ?

Answers (1)

Solution:   

         Person               Rice ( kg)                    days

⇒     80                           100                             20 

⇒     40                             15                               x 

  no of people and no of days are in inverse variation 

no of kg and no of days are in direct variation  

⇒  ( 80 /40)*( 15 /100) *20 

6 days Ans

 

 

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