Two balanced dice are rolled simultaneously. Then,the probability that the sum of numbers on the dice is $12$ is ........

The probability of getting two heads in the experiment of tossing an unbiased coin twice is .........

$A$ carton contains $100$ trousers of which $73$ are good,$12$ have minor defects and $15$ have major defects. Manu rejects only those trousers which have major defects. One trouser is selected at random from the carton. Then,the probability that the selected trouser is accepted by Manu is $\ldots \ldots \ldots \ldots .$

There are $5$ white,$7$ red,$4$ black and $2$ blue identical balls in a box. One ball is selected at random from the box. Find the probability that the selected ball is either red or black. (in $/18$)

The probability of getting an even number while throwing a balanced die once is ...........

Two balanced dice are rolled. Find the probability that the sum of numbers on two dice is a multiple of $6$.