Math, asked by mallickarpit276, 1 year ago

Two pipes A and B can fill a tank in 15 min and 20 min respectively. Both the pipes are opened together but after 4 min, pipe A is turned off. What is the total time required to fill the tank ?
A) 15 min 20 sec.
B) 16 min 40 sec.
C) 13 min 10 sec.
D) 14 min 40 sec.

Answers

Answered by manikiranbachu22

0

Answer:

Step-by-step explanation:

I am sure that the answer is option d

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