A began a business with Rs. 85, 000. He was joined afterwards by B with Rs. 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 and B start a business jointly A invests Rs. 16, 000 for 8 months and B remains in the business for 4 months. Out of total profit, B claims 2/7. How much money was contributed by B?

Simran started a software business by investing Rs. 50, 000. After six months, Nanda joined her with a capital of Rs. 80, 000. After 3 years, they earned a profit of Rs. 24, 500. What was simran’s share in the profit?