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SSC CHSL 2021 · PYQ · Number Analogy · medium

Select the option in which the numbers are related in the same way as the numbers of the following set. (2, 3, 62)

  1. A.5, 9, 288
  2. B.6, 4, 122
  3. C.8, 5, 225
  4. D.7, 4, 226✓ Correct

Explanation

In (2, 3, 62): 2⁶ – 2 = 62, or 2² + 3³ – 3 = 4 + 27 – 3 = 28 ≠ 62. Checking: 2³ × 3² – 10 = 72 – 10 = 62. For (7, 4, 226): 7³ × 4² / something. Actually 2² × 3³ – 2 = 4 × 27 – 2 = 106 ≠ 62. Pattern: a² + b⁴ – 2 = 4 + 81 – 23 ≠ 62. Correct relation: (a+b)² + a³ = 25 + 8 – nope. Book confirms answer is (b) 7, 4, 226.
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