If 4- digits number greater that 5000 are randomly formed the digits 0,1,3,5 and 7, then what is the probability of forming a number divisible by 5, when
(i) the digits may be repeated?
(ii) the repetition of digits in not allowed?
Or
A card is drawn from a deck of 52 cards . Find the probability of getting
(i) an ace.
(ii) a king or a heart or a red card.