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 m- what will be the actual dimensions of the room-A- 250 m - 200 mB- 250 km - 200 kmC- 250 cm - 200 cmD- 2-50 km - 20-0 km

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Byju's Answer

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 $5 c m \times 4 c m$ . If the scale used by him is, 2 cm = 100 m, what will be the actual dimensions of the room?

250m × 200m

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250km × 200km

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250cm × 200cm

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2.50km × 20.0km

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Solution

The correct option is A
250m × 200m

Given that, 2 cm = 100 m

Therefore, 1 cm is equivalent to 50 m.

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

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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 m, what will be the actual dimensions of the room?

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

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

The correct option is A
250m × 200m

Given that, 2 cm = 100 m

Therefore, 1 cm is equivalent to 50 m.

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