The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.
Here a = 5, l = 45, S = 400
We know that,

The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.
Here a = 5, l = 45, S = 400
We know that,
Write first four terms of the AP, when the first term a and the common difference d are given as follows:
a = –2, d = 0
Write first four terms of the AP, when the first term a and the common difference d are given as follows:
a = 4, d = – 3
Write first four terms of the AP, when the first term a and the common difference d are given as follows:
a = – 1.25, d = – 0.25
For the following APs, write the first term and the common difference
3, 1, – 1, – 3, . . .
For the following APs, write the first term and the common difference
– 5, – 1, 3, 7, . . .
For the following APs, write the first term and the common difference
0.6, 1.7, 2.8, 3.9, . . .
Mock Test Series