Question

a pipe can fill 7/10 parts of a tank in 1 hour and another pipe can fill 9/15 parts of the same tank in 1 hour. which pipe can fill the tank faster​

Answer 1

7/10

Explanation
`(9)/(15) *(2)/(2) = (18)/(30) \\(7)/(10) *(3)/(3) =(21)/(30)`