Grades 9–12 practice questions · Typical Level G
Choose an answer, check your reasoning, and open the explanation. Try one group of six at a time. These original learning questions are free to use without an account or email signup.
Practice word relationships, arithmetic stories, figure rules, and number patterns.
This is an untimed learning set, not a full-length test or an official OLSAT score. Confirm your school’s assigned level. Our 9 verbal and 9 nonverbal exercises are an editorial mix, not an official per-type test blueprint.
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Practice group 1 Questions 1–6
Which word is the opposite of explicit, meaning stated clearly and directly?
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Answer: D. Implicit means suggested without being directly stated, the opposite of explicit.
Because the sample contained only volunteers from one club, the researchers cautioned against ___ the result to the entire population.
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Answer: A. Generalizing extends a finding to a wider group. A narrow self-selected sample may not support that extension.
Put these stages in order: P Assess whether the evidence supports the prediction. Q Form a testable explanation. R Derive a prediction. S Collect evidence relevant to that prediction.
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Answer: B. Form the explanation, derive a prediction, collect relevant evidence, then assess its support.
Cartographer is to map as lexicographer is to ___.
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Answer: C. A cartographer compiles maps; a lexicographer compiles dictionaries.
Which belongs with conjecture, hypothesis, and tentative explanation?
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Answer: D. These are ideas proposed for consideration, not yet established conclusions.
Every accepted proposal satisfies both condition X and condition Y. Proposal T fails Y. Which conclusion is certain?
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Answer: A. Acceptance requires Y. Failing Y rules out acceptance, regardless of whether X holds.
Practice group 2 Questions 7–12
Which is necessary for a conclusion to follow deductively from premises?
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Answer: B. Deductive validity means true premises cannot lead to a false conclusion. Popularity and repeated observations are not the defining condition.
A solution is 20% salt by mass. How many grams of pure water must be added to 300 grams of that solution to make it 12% salt?
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Answer: C. The salt mass stays 0.20 × 300 = 60 grams. For 60 grams to be 12%, total mass must be 60 ÷ 0.12 = 500 grams. Add 200 grams of water.
Each row advances letters by two places: BDF → DFH; JLN → LNP. Complete RTV → ___.
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Answer: A. Advance R to T, T to V, and V to X, giving TVX.
Grades 9–12 figure pair 1: Which choice applies the same changes to the second pair?
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Answer: B. Reduce size and remove the fill while preserving shape.
Grades 9–12 figure pair 2: Which choice applies the same changes to the second pair?
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Answer: C. Add two shapes and change filled to outline. 4 becomes 6, with the second shape preserved.
Grades 9–12 matrix: Infer the size and shading change across the top row, then complete the bottom row.
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Answer: D. Across each row a large outline becomes a small filled shape. Down each column only the shape changes. Choose the small filled bottom-row shape.
Practice group 3 Questions 13–18
Grades 9–12 count matrix: Track both number and shading across the rows. Which box is missing?
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Answer: A. Each row adds one shape and changes filled to outline. The bottom row starts with 4, so it ends with 5 outline shapes.
Grades 9–12 sequence: Shapes alternate and sizes repeat large, small, small. Shading alternates filled, outline. What comes next?
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Answer: B. The sixth figure uses the second shape, the third size in the size cycle (small), and outline shading. Track each attribute separately.
Grades 9–12 repeating groups: Counts cycle 1, 2, 3 while shading alternates. Complete the sixth figure.
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Answer: C. Counts repeat 1, 2, 3, 1, 2, 3. Shading alternates filled and outline, so the sixth figure has three outline shapes.
Which number continues this pattern: 4, 9, 19, 39, ___?
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Answer: C. Multiply by 2 and add 1 each time. 39 × 2 + 1 = 79.
One rule links each input to its output: 8 → 63; 10 → 99. Under the same rule, 12 → ___?
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Answer: C. Square the input, then subtract 1. The examples give 8² − 1 = 63 and 10² − 1 = 99. Thus 12² − 1 = 143.
Grades 9–12 number matrix: Multiply the first two numbers, then add two. Which value fills the last cell?
| 7 | 7 | 51 |
| 8 | 8 | 66 |
| 9 | 9 | ? |
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Answer: D. The same rule holds in both complete rows. For the last row: 9 × 9 + 2 = 83.
What to practice next
Look for the rule or direction that was unfamiliar. Try a related question-type lesson, or read the Level G guide for more background. Your checked-answer total describes this small practice set; it is not an official percentile or School Ability Index.
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Independently written for OLSAT.net. These public questions are separate from the paid question bank. Skill families follow Pearson’s OLSAT 8 scope-and-sequence chart; examples are not official test items and are not calibrated to official difficulty.