Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Progression Arithmetic Progression
The algebra equation of the sum of a arithmetic progression is 2n2 + n. What is the common difference of series?
1
4
2
7
3
3
4
More than one of the above
5
None of the above