Find the cost of carpeting the room $13 m$ long and $9 m$ broad at the rate of $R s . 12.40$ per square metre.

R s . 1596

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R s . 1800

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R s . 1934

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R s . 1450.80

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Solution

The correct option is B $R s . 1450.80$
Area of carpet required $= l \times b$
$= 13 \times 9$
$= 117 m^{2}$
Cost of carpeting $= R s . (117 \times 12.40)$
$= R s .1450 .8$

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