Two balanced dice are rolled. Find the probability that the sum of numbers on two dice is smaller than $7$.

There are $5$ red,$3$ white and $2$ yellow roses in a vase. One rose is selected at random from the vase. Then,the probability that the selected rose is yellow is ..........

The probability of a non-leap year having $53$ Fridays is $\ldots \ldots \ldots$

Which of the following experiments have equally likely outcomes? Explain.
$(i)$ $A$ driver attempts to start a car. The car starts or does not start.
$(ii)$ $A$ player attempts to shoot a basketball. She/he shoots or misses the shot.
$(iii)$ $A$ trial is made to answer a true-false question. The answer is right or wrong.
$(iv)$ $A$ baby is born. It is a boy or a girl.

There are boards numbered $1$ to $50$ in a box. One board is selected at random. Find the probability that the number on the board is a multiple of $10$. (in $/10$)

Two balanced dice are rolled simultaneously. Then,the probability that the sum of numbers on the dice is $13$ is ..............