The probability that an event will fail to happen is $0.05$. The probability that the event will take place on $4$ consecutive occasions is

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

Two friends $A$ and $B$ have an equal number of daughters. There are three cinema tickets which are to be distributed among the daughters of $A$ and $B$. The probability that all the tickets go to the daughters of $A$ is $1/20$. The number of daughters each of them has is:

When two dice are thrown simultaneously,what is the probability that the numbers appeared on both dice are equal?

The probability of getting $4$ heads in $8$ throws of a coin is:

The corners of regular tetrahedrons are numbered $1, 2, 3, 4$. Three tetrahedrons are tossed. The probability that the sum of the upward corners will be $5$ is