P Q and R invested some amount to start a business P invest 500 for 12 months Q invest 600 for some ...........

Quant (SSC) Partnership

P, Q and R invested some amount to start a business. P invest 500 for 12 months, Q invest 600 for some months and R invested 540 more than 2 months invested by Q.At the end of the year total profit earned is Rs.2200 while Q received Rs.480 then Q invested foe how many months ?

7 months