Math, asked by surya5342, 1 year ago

Gautam takes 5 hours to paint q wall and gambhir takes 6 hours to paint the same wall if they work together how long will they take to paint the wall

Answers

Answered by abeidahmed
1

The concept we will be using is that : Time is inversely proportional to the efficiency.

Gautam takes 5 hours to paint a wall, so his efficiency is 1/5. Similarly Gambhir's efficiency will be 1/6

1/5 + 1/6 = 11/30 (Total efficiency)

Total time taken = 30/11 hrs (Inverse of efficiency)


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