Question

A and B can finish a work in 2hour 24minutes if A alone can finish the work in 4 hour how long time will B take to finish the work alone​

Answer 1

Answer:

1 hour 10 minutes B take to finish the work alone.

Step-by-step explanation:

let A and B can finish a work in 2 Hours 24 minutes

.*. 2x60=120

.*. 120+24=144

let B take time to finish the work be x

and it take time to finish the work be x + 4

.*. x + x + 4=144

.*. 2x +4=144

.*. 2x=144-4

.*.2x=140

.*.x=140/2

.*.x=70

Ans=B take time to finish the work alone = 1 hour 10 minutes .