Reasoning Ability - Calendar ProblemsWhich of these is NOT a leap year?A2004B2012C2015D2016Check Answer
Step-by-Step SolutionStep 1: Apply divisibility by 4A year not divisible by 4 is not a leap year (for non-century years).Step 2: Test 20152015 ÷ 4 = 503.75 → not divisible → not a leap year.Final Answer:2015 → Option CQuick Check:2015 fails divisibility by 4 → not leap ✅Quick Trick: If remainder exists on division by 4 → not a leap year.Common Mistakes:MISTAKESAssuming every 4th year is leap without checking century exceptions.
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