SSC CHSL Model Paper 2

Question : 67 of 100

Marks: +1, -0

A student multiplied a number by

3/5

instead of

5/3

. What is the percentage error in the calculation?

Solution:

Let the number be x.
Error =

{5x}/3-{3x}/5={16x}/15

% error =

{16x}/15×100/{{5x}/3}= 64%

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