Math, asked by harekrushna22, 1 year ago

answer this question with solution

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Answered by 8871006364

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Distance between them = 51= 11 = 40 floors
relative speed = 57+63 = 120 floors/minute or 120 floors in 60 seconds.

meaning the it will take 20 seconds for them to meet. In 20 seconds the lift with 63 floors /minute would have covered 63/3 = 21 floors. So the lifts will meet at 51-21 = 30th floor.

30 is the answer.

8871006364: hope you like it

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