police AP Police Constable (Pre + Mains) Mock Test 2022 Mathematics Sequences and Series Arithmetic Progressions
Consider an arithmetic progression of positive terms with the first term as α. Let Sn. denote the sum of the first n terms of this arithmetic progression and let \(\frac{S_m}{S_n}=\frac{m^2}{n^2}\) for m \(\ne \) n. Then the 50th term is
1
50 α
2
99 α
3
100 α
4
250 α