From the set of numbers `{1,2,3,...,10}`, 4 numbers are selected at random. The probability that at least 2 of the selected numbers are consecutive is

From the set of numbers {1,2,3,...,10} , 4 numbers are selected at random. The probability that all of the selected numbers are consecutive is

From the set of numbers {1,2,3,4,5,6,7,8} two numbers are selected at random without replacement.The probability that their sum is more than 13 is

Three numbers are chosen at random from numbers 1to 30.Write the probability that the chosen number are consecutive.

From the set S={1,2,3,4,5} , three digits are selected at random and numbers are formed. The probability that a randomly selected number is divisible by 3 is.

Four numbers are chosen at random from {1,2,3,......,40}. The probability that they are not consecutive is

Three numbers are chosen at random from 1 to 15. The probability that they are consecutive is

Three integers are selected simultaneously from the set of integers {1,2,3,...,50 .The probability that the selected numbers are consecutive is equal to

Two numbers are selected at random from the set {1,2,3,....,13} . If the sum of the selected numbers is even, the probability that both the numbers are odd is

From a group of 4 men ,3 women , 2 persons are selected at random, find the probability at least one man is selected ?