Question

please answer this.​

Answer 1

Tap A=x+7 min.

Tap B=x min.

Tap A+Tap B=x+7+x

=2x+7

As tap A+tap B is takes lesser time than tap A by 16 min.

2x+7=x+7+16

2x+7=x+23

2x-x=-7+23

x=16

Therefore:

Tap A takes 23 min.

Tap B takes 16 min.

Bith tap A and B when opened simultaneously then it will take 7 min.