| | Question 17

A number is mistakenly divided by 2 instead of being multiplied by 2.Find the percentage change in the result
(A) 25%
(B) 40%
(C) 50%
(D) 75%


Answer: (D)

Explanation: Let the number is N.
2N is the correct outcome.
0.5N is the mistakenly calculated outcome.
Change in the number= 2N – 0.5N
=1.5N
Percentage change= 1.5N * [100/(2N)]= 75%

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