Q. Jaikishen can do a piece of work in 15 hours. If he is joined by Jhanvi who is 50% more efficient, in what time will they together finish the work?
A) 12 hours
B) 6 hours
C) 9 hours
D) 3 hours
✔ Correct Answer: 6 hours
Exam Insight
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A) 12 hours
B) 6 hours
C) 9 hours
D) 3 hours
✔ Correct Answer: 6 hours
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