Question

A water tank had three inlets, which
independently can fill the tank in 20, 40
and 30 minutes, respectively. How much
time does it take to fill the tank when all
three inlets work together? step by step solve​

Answer 1

Answer:

Case study

Step-by-step explanation:

if it takes 1 hour for the tank to fill:

so 2 inlets are enough for the tank

if it takes 2 hours for the tank to fill

so 3 inlets, and the first 2 inlets again will fill the tank

if it takes 3 hours for the tank to fill

so if all the inlets work twice then it will fill the tank

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Answer 2

Answer:

Don't give any answers friend he is cheating in maths final term