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Textbook Questions
1. 
Find the sum of the numbers
Difficulty: easy 
1

2. 
Calculate the sum of the given series
Difficulty: medium 
4

3. 
Sum of cube of natural numbers up to 'k' terms
Difficulty: medium 
4

4. 
Find the value of the given expression
Difficulty: medium 
4

5. 
Calculate the number of terms needed to get the sum
Difficulty: hard 
5

6. 
Determine the value of 'n'
Difficulty: hard 
5

7. 
Find the sum of the series
Difficulty: hard 
5

Practice Questions
1. 
Determine the sum of the numbers
Difficulty: easy 
2

2. 
Determine the sum of the numbers
Difficulty: easy 
2

3. 
Calculate the value of the expression
Difficulty: medium 
4

4. 
Sum of the natural numbers
Difficulty: medium 
4

5. 
Find the sum of the square of natural numbers
Difficulty: medium 
4

6. 
Find the value of 'n'
Difficulty: medium 
4

7. 
Sum of cube of natural numbers up to 'p' terms
Difficulty: medium 
4

8. 
Find the average of the first 'n' natural numbers
Difficulty: medium 
4

9. 
Evaluate the number of terms needed to get the sum
Difficulty: hard 
5

10. 
Find the amount of savings
Difficulty: hard 
5

11. 
Determine the value of 'k'
Difficulty: hard 
5

12. 
Determine the area can be decorated
Difficulty: hard 
5

Key Questions for School Exam Preparation
1. 
Obtain the sum of the series
Difficulty: easy 
1

2. 
Calculate the average of the given numbers
Difficulty: medium 
4

3. 
Find the sum of the numbers up to 'k' terms
Difficulty: medium 
4

4. 
Find the area can be decorated
Difficulty: hard 
5
