Tom takes 3 days to do a piece of work while jerry takes only one day for the same. Together, they both can finish the job in 15 days. In how many days tom will finish the work?
4 answers
The same typo question
60 days
Answer is 60 days...!
Number of days in which both Tom and Jerry can finish the job =15
Work to be done by tom in 15 days @ 3days per work =15/3=5
Work to be done by jerry in 15 days @ 1day per work=15/1=15
Work done by both of them in 15days=5+15=20
No. of days in which Tom will finish the work =3×20=60 days
Work to be done by tom in 15 days @ 3days per work =15/3=5
Work to be done by jerry in 15 days @ 1day per work=15/1=15
Work done by both of them in 15days=5+15=20
No. of days in which Tom will finish the work =3×20=60 days