Which number is odd in this set? 121, 144, 169, 196, 225, 256, 300
Correct answer: C. 300
- A. 121
- B. 225
- C. 300
- D. 256
Explanation
The correct answer is 300. All the other numbers in the set (121, 144, 169, 196, 225, 256) are perfect squares, which means they can be expressed as the square of an integer. 300 is not a perfect square, as it cannot be expressed as the square of any integer. Therefore, 300 is the odd one out in this set.
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Logical problems present several conditions about people, objects, events or choices and require their possible arrangements to be tested. They cover constraint-based reasoning, rankings, matching, grouping, scheduling and elimination, with attention to the difference between a complete solution and a possibility that merely satisfies one condition.
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