A began a business with Rs.85,000. He wasjoined afterwards by B with Rs.42,500. For how muchperiod does B join, if the profits at the end of the yr are dividedin the ratio of 3:1? Choose the most appropriate option
A) 5 months
B) 8 months
C) 9 months
D) 11 months
E) 21 months
Suppose B joined for x months. Then,   Then, 85000 x 12	=	3   42500 x x	1   x = 85000 x 12 = 8.   42500 x 3   So, B joined for 8 months.   8 months
<result>B</result>
A began a business with Rs.85,000. He wasjoined afterwards by B with Rs.42,500. For how muchperiod does B join, if the profits at the end of the yr are dividedin the ratio of 3:1?