Three valves when opened individually, can drain the water from certain tank in 3, 4 and 5 minutes respectively, What is the greatest part of the tank that can be drained in one minute by opening just two of valves.

A 712
B 12
C 14
D 15

Correct Answer: 712

Bissoy MCQ
#উচ্চতর গণিত #বিপরীত ত্রিকোণমিতিক ফাংশন ও ত্রিকোণমিতিক সমীকরণ (Inverse Trigonometric Functions and Trigonometric Equations) #Bangladesh University of Professionals (BUP) #Faculty of Business Studies(FBS) 2018-2019

Related Questions

Three valves, when opened individually, can drain the water from a certain tank in 3,4 and 5 minutes respectively . What is the greatest part of the tank that can be drained in one minute by opening just two of valves?
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