Free Practice Question
PS · Problem Solving
sub-505
Percentages
150 is what percent of 30 ?
Answer Choices
Correct answer marked belowA
5%
B
20%
C
50%
D
200%
500%
Correct
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Explanation
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What it tests
Your ability to compute percentage change, percentage of a whole, and to work backwards from a final value.
Common trap
Treating successive percentage changes as additive — a 10% rise then a 10% fall is not back to the start.
Details
Difficulty
sub-505
Type
PS
Category