Question

Question 1:A report consists of 20 sheets each of 55 lines and each such line consists of 65 characters. This report is reduced onto sheets each of 65 lines such that each line consists of 70 characters. The percentage reduction in number of sheets is closest to:
(a) 20%
(b) 5%
(c) 30%
(d) 35%

Answer 1

Step-by-step explanation:

30% is the correct answer

Answer 2

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SOLUTION :-

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Let x be the page required when report is retyped.

Now, we can use work equivalence method;

20*55*65 = 70*65*x;

Or, x = (20*55*65)/(70*65);

Or, x = 15.70 = 16 pages.

Hence, % reduction in pages = (20-16)*100/20 = 20%.

Option (A) 20% is the right answer ✔️.

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