One card is drawn from a well-shuffled deck of $52$ cards. If each outcome is equally likely,calculate the probability that the card will be a diamond but not an ace.

$A$ manager decides to distribute $Rs. 20000$ between two employees $X$ and $Y$. He knows $X$ deserves more than $Y$,but does not know how much more. So,he decides to arbitrarily break $Rs. 20000$ into two parts and gives $X$ the bigger part. Then,the chance that $X$ gets twice as much as $Y$ or more is

Two cards are drawn from a pack of $52$ cards. What is the probability that both cards are red or both cards are kings?

$A$ card is drawn at random from a well-shuffled pack of $52$ cards. The probability of getting a two of hearts or diamonds is

$A$ single letter is selected at random from the word $PROBABILITY$. The probability that the selected letter is a vowel is

Three coins are tossed once. Find the probability of getting no head.