A began business with Rs.45000 and was joined afterwards by B with Rs.5400. When did B join if the profits at the end of the year were divided in the ratio of 2:1?  Options:  A) 7  B) 8  C) 9  D) 6  E) 5
45*12 : 54*x = 2: 1   x = 5   12 -5 = 7.7nswer: 7
<result>A</result>
A began business with Rs.45000 and was joined afterwards by B with Rs.5400. When did B join if the profits at the end of the year were divided in the ratio of 2:1?