2 water taps together can fill a tank in 9 3/8 .tap of diameter take 10 hrs less then smaller one to fill separately. find time in which each tap can fill separately fill the tank....
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Answer:
1/a + 1/b = 8/75
1/a - 1/b = 1/10
solve both
a = 15 hours
b = 25 hours
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