A computer typist types a page with 20 lines in 10 minutes but he leaves 8% margin on the left side of the page. Now he has to type 23pages with the 40line on each page which leaves 25%more margin than before. How much time is now required to type these 23pages.(a) 7 1/2 hrs(b) 7 2/3 hrs(c) 23 1/2 hrs(d) 3.916 hrs

Harshit Singh , 3 Years ago

Grade 12th pass