1.

Working 5 hours a day, Anu can complete a work in 8 days and working 6 hours a day, Bablu can complete the same work in 10 days. Working 4 hours a day, they can jointly complete a work in how many days?

A. 3 days
B. 6 days
C. 4 days
D. 8 days
Answer» C. 4 days


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