1) Print out the number series 100 98 ... 2 and sum up all the no. by for loop

2) Print out the number series 100 98 ... 2 and sum up all the no. by while loop

3) Print out the number series 100 98 ... 2 and sum up all the no. by repeat loop 

4) Find the sum of cubes (1 to N)

5) Find the compound interest

6) Read a list of positive no. and determine the difference between the largest and smallest number