Question

sonia can copy 50 pages in 10 hours. Priya and sonia can copy 300 pages in 40 hours. In how much time can Priya copy 30 pages?
Thankuh​

Answer 1

Answer:

6 HOURS

Page capied in 10 hours = 50

page copied in 1 hour = 50÷10 = 5

so, 5 pages can be copied in 1 hour

therfore 30 pages can be copied in 30 ÷ 5 =

6 hours

Answer 2

Sonia can copy 50 pages -> 10 hours

then for 1 hr -> 5 pages

Sonia does 5 pages in 1 hr

Sonia for 40 hrs -> 40(5) pages = 200 pages

Sonia does 200 pages in 40 hrs

Priya and sonia can copy 300 pages in 40 hours

So No of pages Priya does = 300 - 200 = 100 pages

Now Priya 100 pages -> 40 hrs

( x = (40 x 30) /100

Then for   30 pages -> 12 hrs

12 hrs is the answer

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