A started a business with 4500 and another person B joined after some period with 3000. Determine this period after B joined the business if the profit at the end of the year is divided in the ratio 2 : 1	Select: A) After 3 months B) After 4 months C) After 6 months D) After 2 1⁄2 months E) None of these
Let B joined after x months.   Then, 4500 × 12 : 3000 (12 – x) = 2 : 1   Ratio of their investments   4500×12/3000(12−x)=2/1 ⇒ x = 3   After 3 monthsnswer After 3 months
<result>A</result>
A started a business with 4500 and another person B joined after some period with 3000. Determine this period after B joined the business if the profit at the end of the year is divided in the ratio 2 : 1