Reasoning Ability - Calendar ProblemsWhich of the following is NOT a leap year?A1996B2004C2100D2400Check Answer
Step-by-Step SolutionStep 1: Apply rule for century yearsCentury years must be divisible by 400 to be leap.Step 2: Test each year2100 ÷ 400 = 5.25 → not divisible → not leap. 1996 and 2004 ÷ 4 → leap years. 2400 ÷ 400 → leap.Final Answer:2100 → Option CQuick Check:2100 divisible by 100 but not 400 → not leap ✅Quick Trick: Century year → check 400; others → check 4.Common Mistakes:MISTAKESAssuming 2100 is leap because it’s divisible by 4.
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