Find the sums given below :
(i) 101 + 99 + 97 +.........+ 47
(ii) 5 + 8 + 11 +.........+ 185
(iii) 2 + 4 + 6 +.........+ 200
(iv) 3 + 11 + 19 +.........+ 803
Solution not provided.
Ans. (i) - 336 (ii) 5795 (iii) 10100 (iv) 40703
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, . . .
Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.
– 1.2, – 3.2, – 5.2, – 7.2, . . .
Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.
–10, –6, –2, 2, ....
Mock Test Series
