A began business with Rs.27000 and was joined afterwards by B with Rs.54000. When did B join if the profits at the end of the year were divided in the ratio of 2:1?  Choose the correct choice
A) 9 B) 6 C) 7 D) 8 E) 2

Rationale: 27 * 12 : 54 * x = 2 : 1 x = 3 12 - 3 = 9 answer : a
Answer: A