RRB RPF RPSF SI and CONS Model Papers 4 with solutions

Question : 4 of 122

Marks: +1, -0

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

Solution:

(3) Actual length = 150 cm
Measured length = 155 cm
∴ Error percentage

=5/150 ×100=3 1/3%

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