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