Answer: 180
Three-digit numbers divisible by 5: 100, 105, 110, ..., 995. This is an A.P. with \(a = 100\), \(d = 5\), \(t_n = 995\).
\[995 = 100 + (n - 1)5\]\[(n - 1)5 = 895\]\[n - 1 = 179,\ n = 180\]1 answer
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· 24 Oct 2026
AI-verified · Oct 2026
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