Question

A man can type 20 lines in 10 minutes but he leaves 8% margin in each line . I how much time will he type 23 pages with 40 lines on each page leaving 25% margin than before

Answer 1

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Secondary SchoolMath 5 points

A man can type 20 lines in 10 minutes but he leaves 8% margin in each line. In how much time he will type 23 pages with 40 lines on each page leaving 25% more margin than before

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Nikhilrajtiger

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A man can type 20 in 10 min

so,a .................... 1 ......20/10=2 min

for one line margin=8%

so,8%of2

8/100*2

0.16

he types 23*40 lines

.....,,......,,..920....,,.......

margins= 0.16+25% per lines

= 0.41 ..,....,.......

now, when margins is 0.16 min then he take 2 min for per page

,.......,,,...............................,.,........,.1 ...,................................2/0.16 min...........,,.

when.,..........................................0.41 min.......,..,.....2/0.16*0.41=5.125 min.

so, time = 5.125 *920

= 4715 min (ans) or 78.58 hours (ans)

Answer 2

it will yake 12 hrs 48 min. if the answer is correct thn i will show it u how it was done..kindly tell me the answer