Teaching DSSSB PGT Mock Test 2025 Quantitative Aptitude Progression Arithmetic Progression

Sum of 'n' terms of an A.P, whose nth term is given by 2n - 5, is

1
n(n - 4)
2
n(3n - 14)
3
n(2 - 3n)
4
n (3n - 5)
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