Write a program that computes the change in the average (arithmetic mean) of an unsorted array, when each number larger than $X$ in the array is changed to a different number $Y.$
What is the biggest average among the given arrays when all the numbers larger than $20$ are changed to $20$ in the arrays below?
1 2 3 4 5 6 7 8 9 10 

What is the sum of the third highest number and the fifth highest number in the following unsorted array?
1 

Write a program that takes an unsorted array as an input and returns the sum of all numbers whose remainders are $x$, when divided by $N$.
What is the sum of all numbers in the array that have a remainder of $4$ when divided by $6$?
1 
