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Conversion of Units

How many metr...

Question

How many metres of rope you'll need to climb down a cliff of height 2 kilometres?

A

200 metres

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B

2000 metres

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C

20 metres

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D

2500 metres

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Solution

The correct option is B 2000 metres
1 kilometre = 1000 metres
$∴$ 2 kilometres = 2 × 1000
= 2000 metres

So, the required length of the rope is 2000 metres.

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