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12. It takes 20 s for a girl A to climb up thestairs while girl B takes 15 s for the same job.Hote. Compare : (i) the work done and (ii) the powerspent by them.Ans. (i) 1 : 1 (ii) 3:4​

Answer»

ANSWER:

the answer for UR QUESTION is 3:4

Explanation:

just DIVIDE (CANCEL) 20 : 15



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