Hursh wanted to subtract 5 from a number. Unfortunately he added 5 instead of subtracting. Find the percentage change in the result.
A. 300%
B. 66.66%
C. 33.33%
D. Cannot be determined
Answer: Option D
Solution (By Examveda Team)
let the number be xinstead of x-5 -- he made it x+5
% change in result = (x+5 - x +5)/(x-5) *100
So it 'll be depend on value of x
cannot be determined
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D
why can't we assume the x value as 100?