$A$ bag contains $4$ white and $3$ red balls. Two draws of one ball each are made without replacement. Then the probability that both the balls are red is (in $/7$)

If $A$ and $B$ are mutually exclusive events,then the value of $P(A \text{ or } B)$ is

The chance of India winning the toss is $3/4$. If it wins the toss,then its chance of victory is $4/5$,otherwise it is only $1/2$. Then the chance of India's victory is

$A$ card is drawn at random from a pack of cards. What is the probability that the drawn card is neither a heart nor a king?

An urn contains $25$ balls numbered $1$ to $25$. Suppose an odd number is considered a 'success'. $2$ balls are drawn from the urn with replacement. Find the probability of getting exactly $2$ successes.

The probability that a leap year selected randomly will have $53$ Sundays is