A can finish a certain work in 1 day and B can finish the same work in 2 days. The ratio of energy spent by A to that spent by B is ____.
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a= 1 days
b= 2 days
ratio of efficiency is just inverse 2:1 will be the answer
b= 2 days
ratio of efficiency is just inverse 2:1 will be the answer
SamriddhaChandra:
but the answer is given as 1:1.
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Answer:
We know, to complete same work one needs to spend identical amount of energy under a given condition, regardless of times the work is done by any person.
So, energy spent by A to complete the job = energy spent by B to complete the job. Thus, ratio of energy spent by A and B = 1 : 1.
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