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

$A$ game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers $1, 2, 3, \dots, 11, 12$ on a circular disc. All these outcomes are equally likely. Then, the probability that the arrow rests to point at $7$ is ..........

Two unbiased dice are thrown once. Write all the possible outcomes of this experiment. What is the probability that the sum of numbers on two dice is smaller than $2$?

$A$ student attends a $50$ mark test. No negative marks are given in the test. Find the probability that he scores $30$ or $35$ marks.

Two balanced dice are rolled simultaneously. The probability that the product of numbers on two dice is even is ......

Total number of outcomes in the experiment of rolling three balanced dice simultaneously is ........