X starts a business with Rs.45000. Y joins in the business after 3 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 answer.
A) 1:2  B) 2:1  C) 1:3  D) 3:1  E) 1:1
Explanation:   Ratio in which they should share the profit   = Ratio of the investments multiplied by the time period   =45000×12:30000×9   =45×12:30×9   =3×12:2×9   =2:1   Answer: Option 2:1
<result>B</result>
X starts a business with Rs.45000. Y joins in the business after 3 months with Rs.30000. What will be the ratio in which they should share the profit at the end of the year?