Mathematics
Related Questions
Which term of the A.P. 21, 42, 63, 84, … is 210?
9th
10th
11th
12th
If the last term of A.P. 5, 3, 1, -1, …. is -41, then the A.P. consists of
46 terms
25 terms
24 terms
23 terms
The 21st term of an A.P. whose first two terms are -3 and 4 is
17
137
143
-143
If the first term of an A.P. is -5 and the common difference is 2, then the sum of its first 6 terms is
0
5
6
15