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Q.

The weight of 12 sheets of a thick paper is 40 grams. The number of sheets would weight 1 kg is

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a

480

b

360

c

300

d

None of these

answer is C.

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Detailed Solution

In the direct proportion

$= \frac{x_{1}}{y_{1}} = \frac{x_{2}}{y_{2}} \Rightarrow \frac{12}{x_{2}} = \frac{40}{1000} \Rightarrow x_{2} = \frac{1000 \times 12}{40} = 300$

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