A, B and C, working alone can do a piece of work in 15, 30 and 75 days respectively. They work together and get ₹ 1615 for completing the work. What is the difference in shares of A and C?

₹760

A = 15 days, B = 30 days, C = 75 days,

⇒ Amount they receive after completing the work together = Rs, 1615.

⇒ (10 + 5+ 2)x = 1615

⇒ 17x = 1615

⇒ x = Rs. 95,

⇒ Difference between shares of A & C = (10 - 2) x 95 = 8 x 95 = Rs. 760.