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Q: A can cultivate $$2\over5$$ th of a land in 6 days and B can cultivate $$1\over3$$  of the same land in 10 days. Working together A and B can cultivate of $$4\over5$$  the land in;

A. 4 days
B. 5 days
C. 8 days
D. 10 days
Answer» D. 10 days


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