a tap can fill an oil tank in 15 hours. after half the oil tank is filled, nine more similar taps are opened. what is the total time taken to fill the oil tank completely
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Answered by
6
Let total capacity of tank = 6 units
∴ Effieciency of A/hr.=66=1unit
Half tank capacity=62=3units
It will be filled in = 3 hrs
According to question,
3 more taps of capacity (1 unit/ hr) are opened with first tap
Total capacity of 4 taps = 4 units/hrs
They will fill the tank in
=Remaining capacityefficiency=3units4units/h=34hours
Total time =334hrs
= 3 hr.45 min
Answered by
2
Answer:
3hr45 min
Step-by-step explanation:
hope it's help you
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