Today is Monday. After 61 days, it will be :

A) Tuesday
B) Monday
C) Sunday
D) Saturday

Each day of the week is repeated after 7 days. So, after 56 days, it will be on Monday. 57th day is Tuesday 58th day is Wednesday 59th day is Thursday 60th day is Friday 61st day is Saturday. So, After 61 days, it will be Saturday