Free Practice Question
PS · Problem Solving
655-705
Fractions/Ratios/Decimals
Given that x and y are integers, and the ratio x/y equals 1.75, which of the following values for x is NOT possible?
Answer Choices
Correct answer marked below-200
Correct
B
-105
C
140
D
175
E
280
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Explanation
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Official Explanation
Official
We start with the equation: x = 1.75y. By multiplying both sides by 100, we have 100x = 175y. Rearranging gives us 100x/175 = y, which simplifies to 4x/7 = y. For y to be…
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What it tests
Your ability to convert between fractions, ratios, and decimals and to reason proportionally.
Common trap
Cross-multiplying incorrectly or mixing up the ratio parts — a part:part ratio is not a fraction of the whole.
Details
Difficulty
655-705
Type
PS
Category