if i would have been twice as efficient today then finished a..., Latest Questions, General Mathematics

Question:If I would have been twice as efficient as today,then I would have finished a work in 12 days.If my efficiency is reduced to one-third of what it is at present,then in how many days,I would be able to finish the work ?

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+ AnswerD

+ ExplanationSuppose, I finish a work now in x days.

With double efficiency, time taken` = x/2` days

`:. x/2 = 12 => x = 24`

With one third efficiency time taken = 3 x days

       `= 3 xx 24` days

        = 72 days

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Question:If I would have been twice as efficient as today,then I would have finished a work in 12 days.If my efficiency is reduced to one-third of what it is at present,then in how many days,I would be able to finish the work ?

A 8

B 18

C 52

D 72

D