Critical Thinking & IQ MCQ

Correct answer: 38. Differences are 3,5,7,9 — add 11: 27+11=38.

Correct answer: Differences between terms. Constant, growing or alternating differences expose most rules immediately.

Correct answer: Each term is the sum of the previous two. It is a Fibonacci-type sequence: 8+13=21.

Correct answer: Grouping items into fewer, larger units. Fewer chunks fit within working-memory limits.

Correct answer: Locations along a familiar route. Spatial memory is powerful; loci anchor arbitrary lists.

Logic puzzles, critical thinking and problem-solving questions.

Q1. In the series 3, 6, 11, 18, 27, … the next term is: Medium

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Q2. The first systematic check on any number series is: Medium

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Q3. The series 2, 3, 5, 8, 13, 21 follows which rule? Medium

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Q4. Chunking improves memory by: Medium

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Q5. The memory palace technique attaches items to: Medium

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Q6. Using the ×11 shortcut, 52 × 11 = Medium

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Q7. Using the 5-ending square shortcut, 45² = Medium

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Q8. 15% of 240 using the 10%+half trick is: Medium

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Q9. Glove is to hand as helmet is to: Medium

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Q10. Odd one out: mango, banana, potato, apple Medium

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