A, B तथा C एक कार्य को क्रमशः 6 घंटे, 4 घंटे तथा 12 घंटे में समाप्त करते है. तीनो मिलकर इस कार्य को कितने घंटे में समाप्त कर सकंगे. - Study24x7
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Nisha Tanwar
13 Jan 2020 02:17 PM study24x7 study24x7

A, B तथा C एक कार्य को क्रमशः 6 घंटे, 4 घंटे तथा 12 घंटे में समाप्त करते है. तीनो मिलकर इस कार्य को कितने घं...

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A

2 घंटे 

B

 5 घंटे 

C

6 घंटे 

D

 8 घंटे 

SSC Railways
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