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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Which number replaces the question mark?
3, 6, 18, 72, ?, 432
Solution
Sequence: 3, 6, 18, 72, ?, 432
Pattern (symmetric multipliers): ×2, ×3, ×4, ×3, ×2
3 → 6 : ×2
6 → 18 : ×3
18 → 72: ×4
72 → ? : ×3 → 72 × 3 = 216
216 → 432: ×2 ✅
✅ Answer: 216
Pattern (symmetric multipliers): ×2, ×3, ×4, ×3, ×2
3 → 6 : ×2
6 → 18 : ×3
18 → 72: ×4
72 → ? : ×3 → 72 × 3 = 216
216 → 432: ×2 ✅
✅ Answer: 216
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