Q.

Height of a boy = 2.8 m = 280 cm

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a

‘m’ not a unit 2.8 is not a numerical value

b

‘m’ is unit and 2.8 is numerical value

c

Above three statements are false.

d

‘m’ is numerical value and 2.8 is unit

answer is A.

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Detailed Solution

Physical quantity P = NU

i.e. Height (P) = 2.8 cm

N – numerical value = 2.8

U – unit = m

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