If $A$ is a sure event, then the value of $P (A$ not ) is
$0$
$-1$
$1$
None of these
Two coins (a one rupee coin and a two rupee coin) are tossed once. Find a sample space.
A box contains $10$ good articles and $6$ with defects. One article is chosen at random. What is the probability that it is either good or has a defect
An integer is chosen at random and squared. The probability that the last digit of the square is $1$ or $5$ is
Describe the sample space for the indicated experiment: A coin is tossed and then a die is rolled only in case a head is shown on the coin.
A fair coin with $1$ marked on one face and $6$ on the other and a fair die are both tossed. find the probability that the sum of numbers that turn up is $12$.