Math, asked by sunilmandal8973, 3 days ago

a,b,c can do a job in 12 h , 20 h, and 30 h respectively.if they all work together, how long will they take to complete the job?

Answers

Answered by shriyamondal

1

Step-by-step explanation:

hope it helps you plz mark this answer as brainliest

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Answered by nerrajsingh68

0

Answer:

6 h 40 min

is right answer

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