A bag is filled with tin cubic boxes, each with edge $3.2 c m$ . If there are $50$ cubic boxes and the weight of $1 c m^{3}$ of tin is $8 g$ , find the weight in the bag.

11.11 k g

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13.11 k g

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12.11 k g

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15.11 k g

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Solution

The correct option is B $13.11 k g$
Volume $50$ cubic boxes $=$ $50 \times {(3.2)}^{3} = 1638.4 {c m}^{3}$

$\Rightarrow$ $1 {c m}^{3} = 8 g$

$∴ 1638.4 {c m}^{3} = 13107.2 g m \approx 13.11 k g$

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A bag is filled with tin cubic boxes, each with edge 3.2cm. If there are 50 cubic boxes and the weight of 1cm3 of tin is 8g, find the weight in the bag.

The correct option is B 13.11kgVolume 50 cubic boxes = 50×(3.2)3=1638.4cm3⇒1cm3=8g∴1638.4cm3=13107.2gm≈13.11kg

A bag is filled with tin cubic boxes, each with edge $3.2 c m$ . If there are $50$ cubic boxes and the weight of $1 c m^{3}$ of tin is $8 g$ , find the weight in the bag.

The correct option is B $13.11 k g$
Volume $50$ cubic boxes $=$ $50 \times {(3.2)}^{3} = 1638.4 {c m}^{3}$

$\Rightarrow$ $1 {c m}^{3} = 8 g$

$∴ 1638.4 {c m}^{3} = 13107.2 g m \approx 13.11 k g$