Question
P is twice as efficient as Q. Q takes 12 days to
complete a job. If both of them work together, how much time will they take to complete the job?Solution
PÂ Â Â Â Â Â Â Â Â Â Â Â Q 2Â Â Â Â Â Â Â Â Â Â Â Â 1 ATQ- 1=12days It will take time to work together=12/2+1=12/3 =4days.
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