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,...,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 at least 2 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 1 to 15. The probability that they are consecutive is

Out of one digit prime numbers, one number is selected at random. The probability of selecting an even number 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

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.

From first 20 natural numbers if two numbers are selected at random then the probability of selecting them which are not conservative is

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