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Farhan's house number is a three-digit number with all three digits the same (like 777). Its successor is 778.
What is Farhan's house number?

Class 6Successor and PredecessorWhole Numbers
  • A1554
  • B777
  • C857
  • D697

Step-by-Step Solution

If the successor of the house number is 778, the house number is 778 - 1 = 777. The digits of 777 are all the same, which matches the clue. Farhan's number is 777.
Answer: B) 777

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