Reasoning Ability - Calendar Problems
What day will 1st January 2400 be, given that 1st January 2000 was Saturday?
What day will 1st January 2400 be, given that 1st January 2000 was Saturday?
hard Q9 of 15
Step-by-Step Solution
Step 1: Recognize 400-year cycle
In Gregorian calendar, every 400 years the day pattern repeats (total odd days = 0).Step 2: Apply cycle
1 Jan 2400 is 400 years from 1 Jan 2000 → same weekday.Final Answer:
Saturday → Option AQuick Check:
400-year Gregorian cycle resets odd days ✅
Quick Trick: 400 years = 0 odd days → same weekday repeats.
Common Mistakes:
MISTAKES- Using 100-year +5 rule repeatedly without 400-year reset.
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