Find three even numbers less than 400, each of which can be expressed as asum of consecutive positive odd numbers in at least six different ways

Find five consecutive odd integers such that when the fifth is subtracted from eigt times the difference between the second and the fourth, the result is two more that five times the first?

How many positive integer solutions (zero is not allowed) to +y =42?

Prove that the sum of two consecutive positive odd numbers less than ten gives an even number.?