Question

three pipes a b and c are attached to a tank can fill the empty tank in 30 20 10min respectively. what is the ration f the chemical in the tank after 3 min

Answer 1

in one minute, the contents of the tank will be

a/30+b/20+c/10

in 3 minutes

3a/30+3b/20+3c/10
ratio is

1/10:3/20:3/10

2:3:6 will be tha ratio of the chemicals in the tank after 3 minutes.
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