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The cost of 4 dozen papers is Rs. 24. The cost of 1 score of papers (in rupees) is ?
Answer & Solution
Correct Answer:
Option
C
1 score of papers = 20 papers
Cost of 4 dozen papers = Rs.24
Cost of 20 papers
$$\eqalign{ & = \frac{{24}}{{4 \times 12}} \times 20 \cr & = {\text{Rs}}{\text{.10}} \cr} $$
Cost of 4 dozen papers = Rs.24
Cost of 20 papers
$$\eqalign{ & = \frac{{24}}{{4 \times 12}} \times 20 \cr & = {\text{Rs}}{\text{.10}} \cr} $$
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