Odd One Out — For the numbers 4025, 7202, 6023, and 5061, identify the single number that does not match the common digit-sum property shared by the others.
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A4025
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B7202
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C6023
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D5061
Answer
Correct Answer: 5061
Explanation
Introduction / Context:Many odd-one-out questions hide a pattern in digit operations. Here we test attentiveness to digit sums.
Given Data / Assumptions:
- Numbers: 4025, 7202, 6023, 5061.
- Digit sum means adding all decimal digits.
Concept / Approach:Compute the digit sum for each value and compare.
Step-by-Step Solution:4025: 4 + 0 + 2 + 5 = 11.7202: 7 + 2 + 0 + 2 = 11.6023: 6 + 0 + 2 + 3 = 11.5061: 5 + 0 + 6 + 1 = 12.Three numbers have digit sum 11; one has digit sum 12.
Verification / Alternative check:Any other simple properties (parity, divisibility by 5, etc.) produce multiple mismatches; digit-sum uniformity uniquely isolates the outlier.
Why Other Options Are Wrong:
- 4025: sums to 11, matching the majority.
- 7202: sums to 11, matching the majority.
- 6023: sums to 11, matching the majority.
Common Pitfalls:Stopping at last-digit patterns (like ending in 5) and missing the consistent digit-sum pattern.
Final Answer:5061