A line of length 1.5 metres was measured as 1.55 metres

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A line of length 1.5 metres was measured as 1.55 metres by mistake. What will be the value of error per cent ?

1. 0.05%
2. 3 7 %
  31
3. 3 1 %
  3
4. 0.5%

Correct Option: C

Error = (1.55 – 1.5) metre = 0.55 metre

∴ Error per cent =	0.05	× 100
	1.5

=	50	=	10	= 22	1	%
	15		3		3