Reasoning Ability - Calendar Problems
If 1st January 2025 is Wednesday and January has 31 days, what will be the day on 1st February 2025?
If 1st January 2025 is Wednesday and January has 31 days, what will be the day on 1st February 2025?
easy Q1 of 15
Step-by-Step Solution
Step 1: Identify month length
January has 31 days → n = 31.Step 2: Apply direct rule
Next month's 1st = weekday(1) + n (mod 7) → add 31 ≡ +3 (mod 7).Step 3: Shift the weekday
Wednesday + 3 = Saturday.Final Answer:
Saturday → Option BQuick Check:
31-day month → +3 → Wed → Sat ✅
Quick Trick: 31-day month → next month's 1st = weekday(1) + 3.
Common Mistakes:
MISTAKES- Using +2 (or +1) instead of +3 for 31-day months when applying the direct rule.
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