Good Afternoon frndz,
Try to solve out the following quiz.
"If A Takes 12 Hours to complete a certain work & B Takes 8 Hours to do the Same Work, How Much Time will it take if both do it togethor??"
Plz Reply showing the Working..
Sufyan ukaye (Student) (60 Points)
30 July 2012Good Afternoon frndz,
Try to solve out the following quiz.
"If A Takes 12 Hours to complete a certain work & B Takes 8 Hours to do the Same Work, How Much Time will it take if both do it togethor??"
Plz Reply showing the Working..
Manmohan ACA, CS
(Chartered Accountant )
(14243 Points)
Replied 30 July 2012
class 3
A takes 12 hours to do1 work
so in 1 hour A will do 1/12 ( one by 12) work ...
similarily B takes 8 hours to do1 work
so in 1 hour A will do 1/8 ( one by 8) work ...
so togather in one hour A and B do (1/12+ 1/8 ) = 5/24 hours...
so 5/24 work is done in 1 hours
therefore , to do one work they will need 1/(5/24) = 24/5 = 4.8 hours..
Tehsinkhan Pathan
(CA CMA DISA(ICAI) B.COM)
(3956 Points)
Replied 30 July 2012
A's 1 hour's work = 1/12
B's 1 hour's work = 1/8
(A + B)'s 1 hour's work = (1/12+1/8) = 5/24
Both A & B together will finish the work in 24/5 hours (1*1/(5/24))
PRITAM JAIN, CA , CS
(Practising CA CS)
(398 Points)
Replied 31 July 2012
The Work has already been done.....
Why will they do it again????
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