Reasoning Ability - Calendar Problems
Which of the following years will have the same calendar as 2018?
Which of the following years will have the same calendar as 2018?
easy Q4 of 15
Step-by-Step Solution
Step 1: Identify 2018 type
2018 is a non-leap year.Step 2: Try 11-year candidate (2018 → 2029)
Leap years between 2019–2028: 2020, 2024, 2028 → 3 leaps; ordinary = 8.Step 3: Compute odd days
Odd days = (8 × 1) + (3 × 2) = 8 + 6 = 14 → 14 ≡ 0 (mod 7) → calendars repeat.Final Answer:
2029 → Option BQuick Check:
Odd days sum 14 → 0 mod 7 → repetition confirmed ✅
Quick Trick: For non-leap years check 11-year gaps and include leap-year counts.
Common Mistakes:
MISTAKES- Relying only on 6-year rule without leap-year checks.
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