Mathematics · Time and Work
A can lay a railway track between two given stations in 21 days and B can do the same job in 16 days. With the help of C, they did the job in 2 days only. Then, C alone can do the job in:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1258119 days✓
- 2274131 days
- 3474131 days
- 41274131 days
Correct answer
258119 days
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