Question

7 taps of the same size fill a tank in 1 hour 36 minutes. how long will 8 taps of the same size taken to fill the tank??

Answer 1

taps. time

7. 1hr36min

8. x

inverse variations  

so

7multiply by 1hr =60min+36min=96min

8multiply by. x

ans is 84min=1hr24min