Q:
Tushar takes 6 hours to complete a piece of work, while Amar completes the same work in 10 hours. If both of them work together, then what is the time required to complete the work?
Answer & Explanation
Answer: D) 3 hours 45 minutes
Explanation: Let them take x hours working together
1/x = 1/10 + 1/6 = 8/30
X= 30/8 hours = 15/4 hours = 3 hours 45 minutes
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