Free Practice Question
PS · Problem Solving
555-605
Arithmetic
Which of the following weights CANNOT be measured using a balance scale with the unit weights of 2, 5, 8, and 12? (assuming each unit weight can only be used once)
Answer Choices
Correct answer marked belowA
14
B
17
18
Correct
D
20
E
22
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Explanation
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Official Explanation
Official
Final Answer: C. 18
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Comments
2
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A
AshishApr 30, 2024
good question
M
ManuDec 30, 2024
Great!
What this question tests
What it tests
Your fluency with the order of operations, fractions, decimals, and basic number sense — the foundation every quant question leans on.
Common trap
Applying the order of operations out of sequence or rounding intermediate values before the final step.
Details
Difficulty
555-605
Type
PS
Category