1.

A computer typist types a page with 20 lines in 10 minutes but he lives 8% margin on the left side of the page. Now he has to type 23 pages with 40 lines on each page which he leves 25% more margin than before. How much time is now required to type these 23 pages?

Answer»

`7(1)/(2)` hrs
`7(2)/(3)` hrs
`23(1)/(2)` hrs
3.916 hrs

Answer :A


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