Mathematics · Time and Work
'D' and 'E' started working on a project together. After 18 days, 'F' joined them and together all three completed the remaining 10% of the work in 1 day. If 'D' is equal in efficiency to 'E', find the time taken by 'F' to finish the entire work alone.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 days✓
- 215 days
- 325 days
- 430 days
Correct answer
20 days
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