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Time and Work
A man can do the work in 20hrs. a machine can reduce the time by 1/8 of the time taken by man. Then what is the time taken by machine to complete the work
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- 8hrs of man's work=1 hr of machine work
20hrs of mans's work=20/8=5/2=2 hrs 30 min - 11 years agoHelpfull: Yes(2) No(0)
- 1/8*20=2.5 ie 2hrs 30 min
so time taken by machine =20-2.5=17.5hrs - 9 years agoHelpfull: Yes(1) No(1)
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