If 26 September 2005 was Monday, then what was the day of the week on 26 September 2017?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Tuesday.
Given: 26 September 2005 was Monday.
Now, 2005 to 2017 = 12 Years (9 Ordinary Years and 3 Leap Years).
And In 12 Years = 3 Leap years and 9 Ordinary Years.
So, 3 Leap Years have 6 odd days, and, 9 Ordinary Years have 9 odd days.
Total odd days = 6 + 9 = 15.
15 odd days → 15/7 = 2 weeks and 1 odd day.
Then, 26 September 2017 will be Monday + 1 = Tuesday.