Question

If 1st July 2022 was Sunday, then what was the day on 1st November 2022?

• A. Monday
• B. Tuesday
• C. Thursday
• D. Friday

Hint:

To calculate odd days faster, find the odd days for each month and add them up. July (30 days) \(\rightarrow\) 2 odd days. August (31 days) \(\rightarrow\) 3 odd days. September (30 days) \(\rightarrow\) 2 odd days. October (31 days) \(\rightarrow\) 3 odd days. November (1 day) \(\rightarrow\) 1 odd day. Total odd days = \(2+3+2+3+1 = 11\). \(11 \div 7\) gives a remainder of 4.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept:
To find the day of the week for a future date, we need to calculate the total number of days between the two dates and find the number of "odd days." An odd day is the remainder obtained when the total number of days is divided by 7.
Step 2: Key Formula or Approach:
1. Count the number of remaining days in the starting month.
2. Count the number of days in the full months in between.
3. Count the number of days in the target month.
4. Sum the days, divide by 7 to find the odd days, and add them to the starting day.
Step 3: Detailed Explanation:
The starting date is 1st July 2022 (Sunday). The target date is 1st November 2022.
Number of days in each month:

July: 31 days. Remaining days = \(31 - 1 = 30\) days.
August: 31 days.
September: 30 days.
October: 31 days.
November: 1 day (up to the 1st).
Total number of days = \(30 + 31 + 30 + 31 + 1 = 123\) days.
Now, find the number of odd days by dividing the total days by 7:
\(123 \div 7\) gives a quotient of 17 and a remainder of 4.
So, there are 4 odd days.
The day on 1st November 2022 will be 4 days after Sunday.
Sunday + 1 day = Monday
Sunday + 2 days = Tuesday
Sunday + 3 days = Wednesday
Sunday + 4 days = Thursday
Step 4: Final Answer:
The day on 1st November 2022 was Thursday.