From a pack of $52$ cards,$4$ cards are drawn. What is the probability that it has one ace,one king,one queen and one jack?

In a throw of a dice,the probability of getting a $1$ in an even number of throws is:

$A$ locker can be opened by dialing a fixed three-digit code (between $000$ and $999$). $A$ stranger who does not know the code tries to open the locker by dialing three digits at random. The probability that the stranger succeeds at the $k^{th}$ trial is

$A$ bag contains $3$ white,$3$ black,and $2$ red balls. Three balls are drawn one by one without replacement. The probability that the third ball is red 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

$A$ die is rolled,find the probability that an even number is obtained.