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Question

A box has length, breadth and height of 10 cm, 20 cm and 5 cm respectively. The lateral surface area of the box is


A

100 cm2

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B

200 cm2

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C

300 cm2

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D

400 cm2

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Solution

The correct option is C

300 cm2


Given that length, l=10 cm, breadth, b=20 cm and height, h=5 cm

The lateral surface area of cuboid =2h(l+b)
=2×5(10+20)
=300 cm2


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