X starts a business with Rs.45000. Y joins in the business after 5 months with Rs.30000. What will be the ratio in which they should share the profit at the end of the year?  Choose the correct choice from the following:
A) 1:2
B) 2:1
C) 1:3
D) 3:1
E) 18:7
18:7xplanation:   Ratio in which they should share the profit   = Ratio of the investments multiplied by the time period   =45000Ã—12:30000Ã—7   =45Ã—12:30Ã—7   =3Ã—12:2Ã—7   =18:7   Answer: Option 18:7
<result>E</result>
X starts a business with Rs.45000. Y joins in the business after 5 months with Rs.30000. What will be the ratio in which they should share the profit at the end of the year?