Question

If an integer n is to be selected at random from the integers 1 to 100, inclusive, what is the probability that n(n 1) will be divisible by 4

Answer 1

Answer:

mitko20m wrote: If an integer n is to be selected at random from 1 to 100, inclusive, what is probability n(n+1) will be divisible by 4? In 100 integers, number of integers divided by 4 are 100/4= 25.