Find the probability that a leap year will have 53 Tuesdays.

Numbers 1 to 10 written on ten separate identical slips (one number on one slip) are kept in box and mixed well. One slip is chosen at random from the box without looking into it. What is the probability of :

(i) getting a number less than 6 ?

(ii) getting a single digit number ?

A dice is tossed once. What is the probability of the number 7, coming up ?

A spinning wheel is divided into five equal sectors; out of which three are painted green, one is painted blue and the remaining one is painted red. What is the probability of getting a non-blue sector ?