Question 6
Hard
A invested Rs 60000 in a business. After few months, B joined him with Rs 24000. The total profit was divided between them in the ratio 3 : 1 at the end of the year. After how many months did B join?
A
1 month
B
2 months
C
3 months
D
4 months
Correct Answer:
B
Explanation:
Let B invest for t months. (60,000 * 12) / (24,000 * t) = 3 / 1 => 720,000 / 24,000t = 3 => 30 / t = 3 => t = 10 months. Hence, B joined after 12 - 10 = 2 months.