Two water taps together can fill a tank in 75/8 hr. the tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately

Two water taps together can fill a tank in 75/8 hr. the tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately

Two water taps together can fill a tank in 75/8 hr. the tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank?

(a) 20hr,10hr

(b) 17hr,7hr

(c) 25hr,15hr

(d) 23hr,13hr

Sol:

quantitative aptitude
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