P starts business with Rs.7000 and after 5 months, Q joins with P as his partner. After a year, the profit is divided in the ratio 3:5. What is Q's contribution in the capital?
Rs.20000
Let the time of investment of Q be `x'
Investment of P ×time of investment of PInvestment of Q ×time of investment of Q = Profit of PProfit of Q
7000 ×12x ×7 = 35
⇒x = Rs.20000