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ICSE Class 8 Answered

A can do a piece of job in 24 days,while B can do the job in 30 days.A,B and C together can do the job in 12 days.In how much time can C do the job alone?If they are paid rs 5000 find their shares
Asked by rashmijoshi8989 | 22 Jun, 2019, 05:47: PM
answered-by-expert Expert Answer
work space done space by space straight A space in space 1 space day space equals 1 over 24 work space done space by space straight B space in space 1 space day space equals 1 over 30 let space work space done space by space straight C space in space 1 space day space equals 1 over straight c together space they space do space 1 over 12 space in space 1 space day 1 over 24 plus 1 over 30 plus 1 over straight c equals 1 over 12 straight c equals 120 space days ratio space 1 over 24 colon 1 over 30 colon 1 over 120 1 fourth colon 1 fifth colon 1 over 20 shares straight A rightwards arrow 1 fourth cross times 5000 equals 1250 Rs. straight B rightwards arrow 1 fifth cross times 5000 equals 1000 Rs. straight C rightwards arrow 1 over 20 cross times 5000 equals 250 Rs.
Answered by Arun | 23 Jun, 2019, 12:45: PM

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