Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Mathematics Sequences and Series Arithmetic Progressions
If the first term of an A.P. is -5 and the common difference is 2, then the sum of first 6 terms is
1
0
2
5
3
6
4
More than one of the above
5
None of the above