Question

- Saurabh can finish a work in 18 hours while
Vivek can complete the same work in 24 hours.
How long will it take them together to complete
this work if Saurabh is called away for 2 hours
while Vivek continues with the work?​

Answer 1

Answer:

........... 11 (3/7) hrs

Saurabh 1hour work =1/18

Vivek 1 hour work= 1/24

let the complete the work in x hours

*. sourabh = x/24 & Vivek= x-2/18

then ,. x/24 + x-2/18 =1

3x+4x-8 = 1

°°°°°°°°°°°°°°

72

>>>> 7x-8=72

>>>>> 7x=80

>>>>>>> x= 80/7

>>> x= 11 [3/7] hours

.........hope it's helpful...

Step-by-step explanation:

plzz mark as brillent