Three coins are tossed together, then the probability of getting at least one head is
$\frac{1}{2}$
$\frac{3}{4}$
$\frac{1}{8}$
$\frac{7}{8}$
A coin is tossed twice. The probability of getting head both the times is
In a simultaneous throw of three coins, what is the probability of getting at least $2$ tails
‘$X$’ speaks truth in $60\%$ and ‘$Y$’ in $50\%$ of the cases. The probability that they contradict each other narrating the same incident is
Consider the set of all $7-$digit numbers formed by the digits $0,1,2,3,4,5,6$, each chosen exactly once. If a number is randomly drawn from this set, the probability that it is divisible by $4$ is
A die is thrown, find the probability of following events: A number less than or equal to one will appear,