Three workers can do a job 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job alone?

Three workers can do a job 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job alone? Correct Answer 30

1 faster person = 2 slower person  so , 2 faster + one slower = 5 slower person  5 slower person can do the work in 12 days 1  slower person can do the work in (12X5) days = 60 day as, 2 slower = 1 faster  then , 2 slower or 1 faster person can do the work in 60/2 = 30 days ans: 30 days
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