Question

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18. It costs Re. 1, to photocopy a sheet of paper. However, 2% discount is allowed on all
photocopies done after first 1000 sheets. How much will it cost to copy 5000 sheets
of paper ?
(IGNOU, 2003)
(a) Rs. 3920
(b) Rs. 3980
(c) Rs. 4900 (d) Rs. 4920 .
1 Thema D.O.- La​

Answer 1

Answer:

d

cost of first 1000 sheet=1000

cost of 4000sheet=4000*98/100=3920

total cost of 5000sheet=1000+3920=4920

Answer 2

Option D:

Cost for 5000 copies = Rs 4920

Explanation:

Cost for 1 photocopy = Rs 1

Cost for 5000 copies before discount = Rs 5000

                                                                = Rs 1000 + Rs 4000

Discount percent = 2% for after 1000 copies

Discount amount = 2% of 4000

                              $=\frac{2}{100}\times4000$

Discount amount = Rs 80

Cost for 5000 copies = Rs 5000 – Rs 80

Cost for 5000 copies = Rs 4920

Hence option D is the correct answer.

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