A tap can fill a tank in 6 hours . After half the tank is filled another simila tap is opened. What is the total time taken to fill the tank completely?

A 3 h 30 m
B 3 h 45 m
C 4 h30 m
D 4 h

Correct Answer: 4 h30 m

Bissoy MCQ
#গণিত #নল ও চৌবাচ্চা (Pipes and cistern) #Combined Bank (সমন্বিত ব্যাংক) #সমন্বিত ৭ ব্যাংক ও ১টি আর্থিক | সিনিয়র_অফিসার | 27-11-2021

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