State whether the given statement is True or False.
If the cost of \(10\) pencils is \(Rs. 90\), then the cost of \(19\) pencils is \(Rs. 171\).___
If the cost of \(10\) pencils is \(Rs. 90\), then the cost of \(19\) pencils is \(Rs. 171\).___
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State whether the given statement is True or False.
If the cost of \(10\) pencils is \(Rs. 90\), then the cost of \(19\) pencils is \(Rs. 171\).___
If the cost of \(10\) pencils is \(Rs. 90\), then the cost of \(19\) pencils is \(Rs. 171\).___
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Solution
Cost of \(10\) pencils \(= Rs. 90\).
\(\therefore\) Cost of \(1\) pencil \(= Rs. \dfrac{90}{10} = Rs. 9\).
\(\therefore\) Cost of \(19\) pencils \(= Rs. 9\times 19= Rs. 171\).
Hence, the given statement is true.
\(\therefore\) Cost of \(1\) pencil \(= Rs. \dfrac{90}{10} = Rs. 9\).
\(\therefore\) Cost of \(19\) pencils \(= Rs. 9\times 19= Rs. 171\).
Hence, the given statement is true.
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