In an Arithmetic Progression, if a = 28, d = - 4, n = 7, then an is _____?
- 5
- 6
- 4
- None of these
Explanation
Formula: aₙ = a + (n - 1)d
a₇ = 28 + (7 - 1)(-4) = 28 + (6 × -4) = 28 - 24 = 4
Related MCQs
- Cubic root
- Index
- Radical
- None of these
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