Two whole numbers are randomly chosen and multiplied, then the chance that their product is divisible by 5 is

Two natrual numbers are randomly chosen and multiplied, then the chance that their product is divisible by 3 is

Two natrual numbers are randomly chosen and multiplied, then the chance that their product is divisible by 3 is

If four whole numbers taken at random are multiplied together. Then the chance that the last digit in the product is 1 or 3 or 7 or 9 is

Four whole numbers taken at random are multiplied together. What is the chance that the last digit in the product is 1, 3, 7 or 9 ?

Two numbers are randomly selected from the first 100 natural numbers. The probability the product is divisible by 17 is

There are 6 positive and 8 negative numbers. Four numbers are chosen at random and multiplied. The probability that the product is a positive number is