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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 $$Rs. 171$$.___
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## QuestionMathsClass 8

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 $$Rs. 171$$.___

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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.
4.6
4.6
Correct42
Incorrect0
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