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Method of Finding HCF

Shobha has tw...

Question

Shobha has two pieces of ribbon. One piece is $720$ cm long and the other piece is $900$ cm long. She wants to cut both these ribbons into strips of equal length that are as long as possible. How long should each strip be.

A

10 c m

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B

180 c m

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C

90 c m

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D

270 c m

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Solution

The correct option is B $180 c m$
$H C F o f 720 c m a n d 900 c m 720 = 180 \cdot 6 900 = 180 \cdot 5 ∴ H C F = 180 c m$

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