If the cost of 7 m cloth is ₹714, then then find the cost of 21 m of cloth.

₹2142

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₹2140

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₹2148

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₹2146

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Solution

The correct option is A
₹2142

The cost of one metre of cloth would be
$₹ \frac{714}{7}$ .
Hence 21 m of cloth would cost
$\frac{714}{7} \times 21 = ₹ 2142$

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