A invested Rs. 76,000 in a business. After few months, B joined him Rs. 57,000. At the end of the year, the total profit was divided between them in ratio 2 : 1. After bow many months did B join?  Pick.
A) 4
B) 3
C) 2
D) 1
E) None of them
Suppose B joined after x months. Then, B's money was invested for (12 - x)   =(76000 x 12)/(57000 x (12-x) =2/1 =912000=114000(12-x)   =114 (12 - x) = 912=12-x=8=x=4   Hence, B joined after 4 months   4nswer is 4.
<result>A</result>
A invested Rs. 76,000 in a business. After few months, B joined him Rs. 57,000. At the end of the year, the total profit was divided between them in ratio 2 : 1. After bow many months did B join?