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A can complete a work in 20 days and B in 30 days. A worked alone for 4 days and the B completed the remaining work along with C in 18 days. In how many days can C complete the work? |
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Answer» etes 120 of the JOB per day. B completes 130 of the job per day. C completes 1c of the job per day. In 4 days, A completes 4 days ×120 jobday=15 job; 45 job remaining. In 18 days, B completes 18 days ×130 jobday=35 job; 15 job remaining. In 18 days, C completes 18 days ×1c jobday=18c job =15 job. c=90C can do the job alone in 90 days |
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