Reasoning Ability - Analogies
2, 6, 18 : 3, 9, 27 :: 4, 12, 36 : ______
2, 6, 18 : 3, 9, 27 :: 4, 12, 36 : ______
hard Q9 of 15
Step-by-Step Solution
Step 1: Identify pattern:
2,6,18 → 3,9,27 follows start +1 and ×3 rule.Step 2: Apply rule:
4,12,36 → start +1 → 5; apply ×3 pattern → 5,15,45.Final Answer:
5, 15, 45 → Option AQuick Check:
Start +1 and ×3 consistent ✅
Quick Trick: For geometric series, identify the multiplier and apply the same start increment across pairs.
Common Mistakes:
- Confusing additive with multiplicative patterns or changing the multiplier incorrectly.
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