Two dice are rolled together. What is the probability of getting a total of atleast 11 ?

A card is drawn from a well shuffled deck of 52 cards. Find the probability of getting a black queen.

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 ?

Find the probability of drawing a square number from a pack of 100 cards numbered from 1 to 100.