A bathtub has two faucets p and q . Faucet p alone can fill the tub in 10 mins.faucet q alone can fill the tub 4 mins faster than the drain can empty the tub.with faucets p and q both running and drain unstopped, the tub fills in 6 mins. How long will it take to drain the tub.
a) 6 mins
b) 10 mins
c) 9 mins
d) 30 mins
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a) 6 mins
b) 10 mins
c) 9 mins
d) 30 mins
Posted from my mobile device