General Studies · Number Series
Match the sequence/pattern in Column-I with its description in Column-II: Column-I (a) 2, 6, 7, 21, 22 (b) 3, 9, 27, 81 (c) 1, 4, 9, 16 (d) 5, 11, 23, 47 Column-II (I) Perfect squares (II) × 2 + 1 pattern (III) Alternating × 3 and + 1 pattern (IV) Geometric progression Choose the correct answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a-III, b-II, c-I, d-IV
- 2a-I, b-III, c-II, d-IV
- 3a-III, b-IV, c-I, d-II✓
- 4a-I, b-II, c-III, d-IV
Correct answer
a-III, b-IV, c-I, d-II
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