A pipe can fill a tank in 'a' hours and another pipe can empty it in 'b' hours . If b > a then how much time will it take to fill the tank together by a and b ?
plz help me quickly and explain me ans
Answers
Answered by
0
Answer:
I think answer is 1 hour 1/2 hour
Answered by
0
Answer:
1 hours for a to fill the tank and 2
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