GATE EC 2016 Set 3 — Question 4
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General Aptitude → Analytical Aptitude → Numerical Relations & Reasoning
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Question
The number that least fits this set: (324, 441, 97 and 64) is ________.
- A.324
- B.441
- C.97
- D.64
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Correct answer
(C;D)
Solution
To find the number that least fits the set , we examine the mathematical properties of each number:
1.Perfect Squares:
- is a prime number and is not a perfect square.
- Logic: Since 324, 441, and 64 are perfect squares and 97 is not, 97 (Option C) is the odd one out.
- are not perfect cubes.
- Logic: Since 64 is the only perfect cube in the set, 64 (Option D) is the odd one out.
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