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The cost of 4 dozen papers is Rs. 24. The cost of 1 score of papers (in rupees) is ?

140
220
310
442

Answer:- 1

Explanation:-

Solution:

1 score of papers = 20 papers
Cost of 4 dozen papers = Rs.24
Cost of 20 papers

\begin{aligned} = \frac{24}{4 \times 12} \times 20 \\ = Rs .10 \end{aligned}

$\eqalign{ & = \frac{{24}}{{4 \times 12}} \times 20 \cr & = {\text{Rs}}{\text{.10}} \cr}$

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", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution:

1 score of papers = 20 papers
Cost of 4 dozen papers = Rs.24
Cost of 20 papers

\begin{aligned} = \frac{24}{4 \times 12} \times 20 \\ = Rs .10 \end{aligned}

$\eqalign{ & = \frac{{24}}{{4 \times 12}} \times 20 \cr & = {\text{Rs}}{\text{.10}} \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM" } }

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