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Analogies

8 questions · EasyMediumHard

An analogy a : b :: c : ? means the same rule that turns a into b turns c into the answer.

💡 Quick tricks

Find the rule from the first pair: ×3, a square, a cube, + a constant.
Check the rule on a second pair if one is given.
3 : 9 :: 6 : 18 is ×3, so 7 → 21.

8 questions

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Tap an answer. You'll see if it's right, and why. Easy ones come first.

Q1Easy

Complete the analogy: 2 : 6 :: 4 : 12 :: 5 : ?
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Answer: B. 15
💡 Rule: multiply by 3. 5 → 15.
Q2Easy

Complete the analogy: 3 : 9 :: 5 : 11 :: 7 : ?
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Answer: A. 13
💡 Rule: add 6. 7 → 13.
Q3Easy

Complete the analogy: 6 : 18 :: 7 : 21 :: 8 : ?
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Answer: A. 24
💡 Rule: multiply by 3. 8 → 24.
Q4Medium

Complete the analogy: 3 : 7 :: 6 : 13 :: 8 : ?
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Answer: B. 17
💡 Rule: double plus 1. 8 → 17.

Q5Medium

Complete the analogy: 6 : 13 :: 9 : 19 :: 13 : ?
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Answer: C. 27
💡 Rule: double plus 1. 13 → 27.
Q6Medium

Complete the analogy: 6 : 37 :: 9 : 82 :: 13 : ?
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Answer: A. 170
💡 Rule: square plus 1. 13 → 170.
Q7Hard

Complete the analogy: 6 : 216 :: 8 : 512 :: 10 : ?
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Answer: D. 1000
💡 Rule: cube. 10 → 1000.
Q8Hard

Complete the analogy: 4 : 64 :: 6 : 216 :: 9 : ?
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Answer: A. 729
💡 Rule: cube. 9 → 729.

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