A five digit number is chosen at random. The probability that all the digits are distinct and digits at odd places are odd and digits at even places are even, is

A digit is chosen at random from the digits 1 to 9. What is the probability that the digit is even?

A five digit number if formed by the digits 1,2,3,4,5,6 and 8. The probability that the number has even digit at both ends is

A five digit number if formed by the digits 1,2,3,4,5,6 and 8. The probability that the number has even digit at both ends is

A number of six digits is written down at random.Find the probability that sum of digits of the number is even.

The number of 6 digit numbers that can be made with the digits 0,1,2,3,4 and 5 so that even digits occupy odd places is

The number of 6 digit numbers that can be made with the digits 0,1,2,3,4 and 5 so that even digits occupy odd places is

Five digit numbers are formed such that either all the digits are even or all the digits are odd. If no digit is allowed to be repeated in one number find the difference between the maximum possible. number with odd-digits and the minimum possible number with even digits

In a five digit number, the digit at the hundreds place is three fourth of the digit at ten thousands place and the digit at ten place is two third of the digit at hundreds place. The digit at tens place is square of the smallest prime number and the digit at thousands place is the largest at thousands place is the largest single digit prime number. If the digit at unit place is the largest single digit odd number, then the number is