Q. A began a business with Rs. 85,000. He was joined afterwards by B with Ks. 42,500. For how much period does B join, if the profits at the end of the year are divided in the ratio of 3 : 1 ?

• A. 4 months
• B. 5 months
• C. 6 months
• D. 8 months

Correct Answer: D