Working alone, pump A can empty a pool in 3 hours. Working alone, pump B can empty the same pool in 2 hours. Working together, how many minutes will it take pump A and pump B to empty the pool?

A 72
B 75
C 84
D 96

Correct Answer: 72

Bissoy MCQ
#পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা #গণিত #ঐকিক নিয়ম (Unitary method) #বাংলাদেশ সিকিউরিটিজ অ্যান্ড এক্সচেঞ্জ কমিশন(ব্যক্তিগত কর্মকর্তা) 19-06-2021

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