An architect drew a scaled down plan of a building- On the map- the dimensions of a room is written as 5 cm - 4 cm- If the scale used by him is- 2 cm -100 km- What will be the actual dimensions of the room-A- 250 km - 200 kmB- 250 m - 200 mC- 250 cm - 200 cmD- 2-50 km - 20-0 km

The correct option is A 250 nbsp;km nbsp; times; 200 nbsp;km Given that, 2 cm = 100 km Therefore, 1 cm is equivalent to 50 km. Actual dimensions of t ...

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Standard VII

Mathematics

Equivalent Ratios

An architect ...

Question

An architect drew a scaled down plan of a building. On the map, the dimensions of a room is written as $5 cm \times 4 cm$ . If the scale used by him is, $2 cm = 100 km$ . What will be the actual dimensions of the room?

250 m × 200 m

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250 km × 200 km

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250 cm × 200 cm

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2.50 km × 20.0 km

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Solution

The correct option is B
250 km × 200 km

Given that, $2 cm = 100 km$

Therefore, $1 cm$ is equivalent to $50 km$ .

Actual dimensions of the room
$= (5 \times 50) km \times (4 \times 50) km$
$= 250 km \times 200 km$

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An architect drew a scaled down plan of a building. On the map, the dimensions of a room is written as 5 cm×4 cm. If the scale used by him is, 2 cm=100 km. What will be the actual dimensions of the room?

The correct option is B 250 km × 200 km Given that, 2 cm=100 km Therefore, 1 cm is equivalent to 50 km. Actual dimensions of the room =(5×50) km×(4×50) km =250 km×200 km

An architect drew a scaled down plan of a building. On the map, the dimensions of a room is written as $5 cm \times 4 cm$ . If the scale used by him is, $2 cm = 100 km$ . What will be the actual dimensions of the room?

The correct option is B
250 km × 200 km

Given that, $2 cm = 100 km$

Therefore, $1 cm$ is equivalent to $50 km$ .

Actual dimensions of the room
$= (5 \times 50) km \times (4 \times 50) km$
$= 250 km \times 200 km$