A, B and C started a shop by investing Rs. 27,000, Rs. 72,000 and Rs. 81,000 respectively. At the end of the year, the profits were distributed among them. If C’s share of profit be Rs. 36,000, then the total profit was :	Choices:
A) 30,000  B) 60,000  C) 80,000  D) 120,000  E) None
Sol.   A : B : C = 27000 : 72000 : 81000 = 3: 8 : 9. so, C’s share : Total Profit = 9 : 20.   Let the total profit be Rs. x. Then, 9/20 = 36000/x or x   = 36000 * 20 / 9= 
<gadget id="calculator">36000 * 20 / 9</gadget>
<output>80_000</output>
80000.   Answer 80,000
<result>C</result>
A, B and C started a shop by investing Rs. 27,000, Rs. 72,000 and Rs. 81,000 respectively. At the end of the year, the profits were distributed among them. If C’s share of profit be Rs. 36,000, then the total profit was :