$A$ class consists of $35$ boys and $25$ girls. One student is selected at random to be the class monitor. Find the probability that the selected student is a girl. (in $/12$)

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 ..........

$A$ carton of $24$ bulbs contains $6$ defective bulbs. One bulb is drawn at random. What is the probability that the bulb is not defective? If the bulb selected is defective and it is not replaced, and a second bulb is selected at random from the rest, what is the probability that the second bulb is defective?

When a die is thrown,the probability of getting an odd number less than $3$ is

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

There are $5$ red,$8$ white,and $4$ green balls in a box. $A$ ball is drawn at random from the box. Find the probability that the ball drawn is not green.