alleryOdd man out: 9, 16, 24, 36, 49, 64
A24
B36
C16
D49
Answer & Solution
Correct answer: A. 24
1. Test each for perfect square: 9 = 3^2, 16 = 4^2.
2. Continue: 36 = 6^2, 49 = 7^2, 64 = 8^2.
3. 24 is NOT a perfect square; sqrt(24) ~ 4.9.
4. Odd man out is 24.
_Source: ICAI BoS Foundation Paper 3, Ch 9 'Odd Man Out', p.10_
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