12 revolutions takes 1/8 th second time.In 20 seconds how
many revolutions?
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Answer Posted / audi
Since for 12 revs. it takes 1/8th sec;
it will take 96 (i.e 8*12) rev for 1 sec;
this implies 96*20 revs in 20 sec
wich is equal to 1920.
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