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Continue to ChatA and B do a job in two hours. if A completes the job alone in 5 hors. how long will it take B to complete the job? https://pastmcqs.pk/a-and-b-do-a-job-in-two-hours-if-a-completes-the-job-alone-in-5-hors-how-long-will-it-take-b-to-complete-the-job/