A works twice fast as B they work together and complete a job in 8days how long would A take to complete the job
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(A's 1 day's work) : (B's 1 day's work) = 2:1
Let A's and B's 1 day's work be 2x and x respectively
then,2x+x=1/8, i.e. 3x= 1/8,
therefore,x=1/24
hence,A's one day's work =2*1/24 =1/12
thus,A would finish the work in 12 days
..................................................................................hope this helps :)
Let A's and B's 1 day's work be 2x and x respectively
then,2x+x=1/8, i.e. 3x= 1/8,
therefore,x=1/24
hence,A's one day's work =2*1/24 =1/12
thus,A would finish the work in 12 days
..................................................................................hope this helps :)
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