3 Marks Each
1. For an A. P., a = 6 and d = 3. Find S10.
2. Find the 25th term of an Arithmetic Progression 12, 16, 20, 24, ...
3. If the nth term of an A. P. is 2n − 5, find the first five terms.
4. Find the sum of all three digit natural numbers divisible by 4.
5. Mary took a job which pays her a monthly salary of ₹ 15,000/-. If she is getting an increment of ₹ 100/- per month, then what will be her salary after 20 months?
6. The nth term of an A. P.: 5, 8, 11, 14, ... is 68. Find the value of n.
7. Find the sum of all odd numbers from 1 to 50.
8. For a particular A. P., t4 = 12. Find tn if d = − 10.
9. Find the 27th term and the nth term of the sequence 5, 2, − 1, − 4, ...
10. For a particular A. P., t8 = 3 and t12 = 52. Find the first term and the common difference.
This page was last modified on 23 March 2021 at 15:09