An unbiased coin is tossed thrice. The probability of receiving two heads is ..........

Two balanced dice are rolled. Find the probability that the sum of numbers on two dice is odd.

$A$ game consists of spinning an arrow which comes to rest pointing at one of the regions ($1, 2$ or $3$). Are the outcomes $1, 2$ and $3$ equally likely to occur? Give reasons.

$A$ card is selected from a deck of $52$ cards. The probability of its being a red face card is

The king,queen,and jack of clubs are removed from a deck of $52$ playing cards and then well shuffled. Now,one card is drawn at random from the remaining cards. What is the probability that the card is:
$(i)$ a club
$(ii)$ $10$ of hearts

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 neither white nor black.