Probability questions for CBSE X

A bag has 5 white, 8 red and 4 purple marbles. A marble is drawn uniformly at random. What is the exact probability it is not purple?

All six black face cards are removed from a standard 52-card deck. A card is drawn uniformly from the remaining deck. Find P(face card).

A card is drawn uniformly from cards numbered 11 to 60 inclusive (50 cards); cards are replaced after each draw. Find P(perfect square).

A card is selected uniformly from cards numbered6 through50,inclusive. Find P(perfect square).

The diamond jack,queen and king are removed from a standard 52-card deck. One remaining card is drawn uniformly. Find the probability of a jack.

A ball is selected uniformly from balls numbered 1 through 19. Find the probability of a number divisible by neither 5 nor 10.

The three spade face cards (J,Q,K) are removed from a standard 52-card deck. One remaining card is drawn uniformly. Find the probability of a black card.

Two independent fair dice are thrown. Find the probability of a doublet (equal numbers).