3 metres 20 cm - mmA- 3200B- 2800C- 3000D- 3500

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Standard IV

Mathematics

Factors

3 metres 20 c...

Question

3 metres 20 cm = ______ mm.

2800

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3200

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3000

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3500

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Solution

The correct option is B 3200
We know that,
One metre = 100 cm and
One cm = 10 mm
$∴ One meter = 100 \times 10 = 1000 mm$

Now, 3 metres 20 cm
$= 3 \times 1000 + 20 \times 10$
$= 3000 + 200 = 3200 mm$

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3 metres 20 cm = ______ mm.

The correct option is B 3200 We know that, One metre = 100 cm and One cm = 10 mm ∴One meter=100×10=1000mm Now, 3 metres 20 cm =3×1000+20×10 =3000+200=3200 mm

The correct option is B 3200
We know that,
One metre = 100 cm and
One cm = 10 mm
$∴ One meter = 100 \times 10 = 1000 mm$

Now, 3 metres 20 cm
$= 3 \times 1000 + 20 \times 10$
$= 3000 + 200 = 3200 mm$