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Height of a boy = 3m = 300 cm

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Here unit is m, numerical value is 3

Here unit is cm, numerical value is 300

Both A & B

None of these

answer is C.

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Detailed Solution

Height of a boy 3m = 300 cm

Here the height of boy P is expressed in two systems

In the first system 3 is numerical value m is standard unit

In the second system 300 is numerical value cm is standard unit

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