Answer: (2)
Non-leap year = 365 days
In 365 days, Number of weeks = 52 weeks and 1 day is remaining.
For 52 weeks number of Sundays = 52
1 remaining day can be Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
Total of 7 outcomes, the favourable outcome is 1.
∴ probability of getting 53 Sundays = 1 / 7.