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?	Choose the correct choice:
A) 4 months  B) 6 months  C) 7 months  D) 9 months  E) 10 months
45*12 : 54*x = 2: 1   x = 5   12 -5= 
<gadget id="calculator">12 -5</gadget>
<output>7</output>
7   ANSWER:7 months
<result>C</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?