SUM OF SPECIAL SERIES WORKSHEET

Find the sum of following special series.

Problem 1 :

1 + 2 + 3 + … + 20

Solution

Problem 2 :

1² + 2² + 3² + … + 10²

Solution

Problem 3 :

2 + 8 + 18 + … + (2 × 15²)

Solution

Problem 4 :

2 + 4 + 6 + … + 100

Solution

Problem 5 :

1 + 3 + 5 + … + 25

Solution

Problem 6 :

1 + 8 + 27 + … + 1000

Solution

Problem 7 :

11² + 12² + … + 24²

Solution

Problem 8 :

7³ + 8³ + … + 15³

Solution

Problem 9 :

21 + 23 + … + 61

Solution

Problem 10 :

Calculate 21 + 23 + 25 … + 161

Solution