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A number is such that its predecessor is a two-digit number and its successor is a three-digit number.
What is that number?

Class 6Successor and PredecessorWhole Numbers
  • A198
  • B99
  • C89
  • D109

Step-by-Step Solution

We need predecessor (n - 1) to be two-digit and successor (n + 1) to be three-digit. If n = 99, predecessor = 98 (two-digit) and successor = 100 (three-digit). So n = 99.
Answer: B) 99

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