Class 10 Airthmatic Pogression (AP) important Questions

Q1.    The Sum of three numbers in A. P. is 15 and the sum of the squares of the extreme terms is 58. Find the numbers. (answer: 3,5,7)

Q2.    Find four numbers in A. P. Whose sum is 20 and the sum of whose squares is 120. (answer: 2,4,6,8)