A can finish one-third of work in 5 days, B can finish two-fifth of the same work in 10 days and C can finish 75% of the same work in 15 days. They work together for 6 days. In what time B can finish the remaining work?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 3/2 days
| Application |
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A can finish the total work in = 3 × 5 = 15 days B can finish the total work in = (5/2) × 10 = 25 days C can finish the total work in = (9/3) × 15 = 20 days. The amount of work completed by A + B + C in 6 days = Then the remaining work = 1 - (47/50) = 3/50 Remaining work B will finish in (3/50) × 25 days = 3/2 days |