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?
Select the correct option.
A) 1 : 2
B) 2 : 1
C) 1 : 3
D) 3 : 1
E) 18 : 7

Rationale: explanation : ratio in which they should share the profit = ratio of the investments multiplied by the time period = 45000 ã — 12 : 30000 ã — 7 = 45 ã — 12 : 30 ã — 7 = 3 ã — 12 : 2 ã — 7 = 18 : 7 answer : option e
Answer: E