Category: Arithmetic Progressions

5. The first term of an AP is 5, the last term is 45 and the sum is

4. How many terms of the AP. 9, 17, 25 … must be taken to give a sum

3. In an AP : (i) Given a = 5, d = 3, (a_n = 50 ), find

2. Find the sums given below:  (i) (7 + 10 {1 over 2} + 14 + ………… +

1. Find the sum of the following APs:  (i) 2, 7, 12 ,…, to 10 terms.  (ii) –

4. Which of the following are APs ? If they form an AP, find the common difference d

3. For the following APs, write the first term and the common difference: (i)  3, 1, – 1,

2. Write first four terms of the AP, when the first term a and the common difference d

1. In which of the following situations, does the list of numbers involved make an arithmetic progression and