Mathematics · Work and Time
A can lay a railway track between two given stations in 15 days and B can do the same work in 12 days. With the help of C, they completed the work in just 5 days. Therefore, C alone can do the work in _______ days.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 Days✓
- 225 Days
- 318 Days
- 432 Days
Correct answer
20 Days
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