Rajan and Manas spent time each 2 1⁄2 hour and 3 1⁄2 hour to complete a work. Then how much time they will take to complete that work with together?
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Time spent by Rajan to complete that work=2 1/2 hours
Time spent by Manas to complete that work=3 1/2 hours
Time they will take to complete that work with together=2 1/2+3 1/2 hrs
=6 hours
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