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Miscellaneous·2021·Easy

If 1/(1×2) + 1/(2×3) + 1/(3×4) + ... + 1/[n(n+1)] = 99/100 then what is the value of n?

If 1/(1×2) + 1/(2×3) + 1/(3×4) + ... + 1/[n(n+1)] = 99/100 then what is the value of n?

Options

  1. a.

    98

  2. b.

    99

  3. c.

    100

    Correct answer
  4. d.

    101

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