Methodical recommendation:

Theory

Number Name Description
1. Sum of first 'n' natural numbers

Practice Questions

Number Name Type Difficulty Marks Description
1. Triangular number Other easy 1 m.
2. Find 'n'th term Other easy 3 m.
3. Sum of first n natural numbers Other medium 3 m.
4. Prove the following Other medium 6 m.
5. Finding the House Number Other hard 5 m.
6. Sum of Natural Numbers Divisible by Two Given Numbers Other hard 5 m.
7. Sum of all natural numbers not divisible by 'n' Other hard 5 m.