Rohit birthday was on 16 January 1991 on Monday. When would he celebrated his birth day again on Monday?

Correct option is D

Step 1: Rules for Weekday Progression

1. A normal year (365 days) shifts the weekday by 1 day forward.
2. A leap year (366 days) shifts the weekday by 2 days forward.

Step 2: Check Year by Year

1. 1991 (Monday):
• 1991 is not a leap year, so 1992 will start 1 day ahead (Tuesday).
2. 1992:
• 1992 is a leap year, so 1993 will start 2 days ahead (Thursday).
3. 1993:
• Not a leap year, so 1994 will start 1 day ahead (Friday).
4. 1994:
• Not a leap year, so 1995 will start 1 day ahead (Saturday).
5. 1995:
• Not a leap year, so 1996 will start 1 day ahead (Sunday).
6. 1996:
• Leap year, so 1997 will start 2 days ahead (Tuesday).
7. 1997 to 2002:
• Continuing the calculations, 2002 will reset 16th January to Monday.

Step 3: Conclusion

Rohit will celebrate his birthday on Monday again on 16th January 2002.

Final Answer: 16th January 2002.