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Addition and Subtraction of Decimals

A boy measure...

Question

A boy measures the length of a pencil by a metre rule and expresses it to be 26 cm. What is the least count of metre rule ?

1 cm

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1 mm

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1 m

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0.01 cm

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Solution

The correct option is A 1 cm
Least count of metre rule is 1 cm.

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