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1). 12 days2). 6 days3). 3 days4). 24 days |
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Answer» Time taken by PANNALAL to do the job = 20/(1/3) = 60 DAYS Time taken by Sai Prasad to do the job = 10/(2/3) = 15 days ∴ Time taken by both Pannalal and Sai Prasad together to do the job = 1/(1/15 + 1/60) = 12 days |
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