Mathematics · Time and Work
A, B and C alone can complete a work in 10 days, 15 days and 20 days respectively. A and B started working together, worked for 2 days and then left. After this, C and D together completed the remaining work in 5 days. Find the time taken by D alone to complete the entire work.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 days
- 215 days
- 314 days
- 412 days✓
Correct answer
12 days
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