A,B and C can do a work in 8 min. To address a pile of envelopes. A and B together would take 10 mins;A and C would take 15 min. How long would each take to do it alone?
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Time taken by A alone to complete work = 8 minutes
Time taken by B alone to complete work = 10 minutes
Time taken by C alone to complete work = 15 minutes
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