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?

X and y invested in a business, they earned some profit which they divided in the ratio of 2: 3. If X invested Rs. 40, 000. The amount invested by Y is?

Sekar started a business investing Rs. 25, 000 in 1999. In 2000, he invested an additional amount of Rs. 10, 000 and Rajeev joined him with an amount of Rs. 35, 000. In 2001, sekar invested another additional amount of Rs. 10, 000 and jatin joined them with an amount of Rs. 35, 000. What will be Rajeev’s share in the profit of Rs. 1, 50, 000 earned at the end of 3 years from the start of the business in 1999?