Shahid can complete a work in 12 hours and Rahul can do the same work

1.	Shahid can complete a work in 12 hours and Rahul can do the same work in 15 hours. How longwill they take to complete it if they work together?
Answer» Answer: of DAYS Rahul works=12. No.of days Sahil works=18. No.days SPEND by them by WORKING together=total no.of days/total no.of PERSONS =18+12/2. =30/2. days = 15

Shahid can complete a work in 12 hours and Rahul can do the same work in 15 hours. How longwill they take to complete it if they work together?

Answer»

Answer:

of DAYS Rahul works=12. No.of days Sahil works=18. No.days SPEND by them by WORKING together=total no.of days/total no.of PERSONS =18+12/2.

=30/2.

days = 15