Multiple choice

A and B can do a piece of work in 14 days while B and C can do the same work in 21 days. if A work for 8 days, B work for 14 days and remaining work completed by C in 12 days. out of total 2541 rupees what is the share of C?

  1. 926

  2. 526

  3. 726

  4. 626

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A's rate: 1/14 - 1/42 = 1/21; B's rate: 1/42; C's rate: 1/21 - 1/42 = 1/84. Work done: A=8/21, B=14/42=1/3, C=12/84=1/7. Total work ratio: 8/21:1/3:1/7 = 8:7:3. C's share = (3/18)×2541 = Rs 726.