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प्रश्न
It takes 20 s for a girl A to climb up the stairs while girl B takes 15 s for the same job. Compare the work done .
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उत्तर
As height is the same for both girls A and B, work done is the same (irrespective of time)
∴ Work done by A : Work done by B = 1:1
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संबंधित प्रश्न
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