The bricks of dimensions 25cm -12-5cm - 7-5 cm required to build a wall 5m - 3m - 20m are

The correct option is A 1280Consider a given The #10;bricks of dimensions #160;25cm #215;12.5cm #215;7.5cm, and #160;dimension of #160;build a ...

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Standard XII

Physics

Physical Quantities

The bricks of...

Question

The bricks of dimensions $25 c m \times 12.5 c m \times 7.5 c m$ required to build a wall $5 m \times 3 m \times 20 m$ are

1280

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Solution

The correct option is A 1280
Consider a given The bricks of dimensions 25cm×12.5cm×7.5cm, and dimension of build a wall 5m×3m×20m.

Now, total number of bricks,
$= \frac{5 \times 100 \times 3 \times 100 \times 20 \times 100}{25 \times 12.5 \times 7.5}$
$= \frac{300 \times 1000000}{2343.75} = 128000$

Hence, this is the answer.

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The bricks of dimensions 25cm×12.5cm×7.5cm required to build a wall 5m×3m×20m are

The correct option is A 1280Consider a given The bricks of dimensions 25cm×12.5cm×7.5cm, and dimension of build a wall 5m×3m×20m. Now, total number of bricks,=5×100×3×100×20×10025×12.5×7.5=300×10000002343.75=128000 Hence, this is the answer.

The bricks of dimensions $25 c m \times 12.5 c m \times 7.5 c m$ required to build a wall $5 m \times 3 m \times 20 m$ are