If any four numbers are slected and they are multiplied, then the probability that the last digit will be `1,3,5 or 7` is

If four whole numbers taken at random are multiplied together, then find the probability that the last digit in the product is 1,3,7 or 9.

If four whole numbers taken at random are multiplied together, then find the probability that the last digit in the product is 1,3,7 or 9.

If four whole numbers taken art random are multiplied together, then find the probability that the last digit in the product is 1,3,7, or 9.

If four whole numbers taken art random are multiplied together, then find the probability that the last digit in the product is 1,3,7, or 9.

If four whole numbers taken at random are multiplied together,then find the probability that the last digit in the product is 1,3,7 or 9.

If n integers taken at random are multiplied together, then the probability that the last digit of the product is 1, 3, 7 or 9 is

If 5 positive integers are taken at random and multiplied together. The probability that the last digit of the product is 2,4,6,8 is