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Multiplication

Manu paid ₹ 2...

Question

Manu paid ₹(240 + 600) for a dozen of spinners. What is the cost of 9 spinners?

A

₹70

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B

₹630

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C

₹360

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D

₹100

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Solution

The correct option is B
₹630

A dozen = 12
Cost of 12 spinners $= ₹ (240 + 600) = ₹ 840$

$∴$ Cost of 1 spinner $= \frac{840}{12} = ₹ 70$
$\Rightarrow$ Cost of 9 spinners $= 70 \times 9 = ₹ 630$

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