A began business with Rs.45000 and was joined afterwards by B with Rs.27000. When did B join if the profits at the end of the year were divided in the ratio of 2:1?  Options
A) 1 B) 6 C) 7 D) 8 E) 2
45*12 : 27*x = 2: 1   x = 10   12 -10= 
<gadget id="calculator">12 -10</gadget>
<output>2</output>
2   Answer: 2
<result>E</result>
A began business with Rs.45000 and was joined afterwards by B with Rs.27000. When did B join if the profits at the end of the year were divided in the ratio of 2:1?