Five numbers are selected from 1, 2, 3, 4, 5, 6, 7, 8 and 9. The probability that their product is divisible by 5 or 7 is

In how many ways 5 distinct numbers can be selected from the natural numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 such that their product is even

Seven digits from the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 are written in random order. Find the probability that the seven digited number is divisible by 9.

Five digited numbers are formed using {0,2,4,5,7} without repetetion. One number is selected at random. The probability that it is divisible by 5 is

3, 3 , 4 , 4 , 4 ,5 , 5 Find the probability for 7 digit number such that number is divisible by 2

If a digit is chosen at random from the digits 1,\ 2,\ 3,\ 4,\ 5,\ 6,\ 7,\ 8,\ 9 , then the probability that the digit is even, is (a) 4/9 (b) 5/9 (c) 1/9 (d) 2/3

If a digit is chosen at random from the digits 1,\ 2,\ 3,\ 4,\ 5,\ 6,\ 7,\ 8,\ 9 , then the probability that the digit is even, is (a) 4/9 (b) 5/9 (c) 1/9 (d) 2/3

In how many ways 5 distinct numbers can be selected from the natural numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 such that atleast one of these 5 is greater than 8

In how many ways 5 distinct numbers can be selected from the natural numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 such that The selected 5 are in A.P. with common difference 2.