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A is a number of the type 1223334444….. What will be the 198th digit from left?
  • a)
    1
  • b)
    5
  • c)
    6
  • d)
    8
Correct answer is option 'A'. Can you explain this answer?
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A is a number of the type 1223334444….. What will be the 198th ...
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1 2 2 3 3 3 4 4 4 4 ……. 15 1 6 1
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A is a number of the type 1223334444….. What will be the 198th ...
The number A, of the type 1223334444, is called a triangular number. It represents the sum of consecutive integers starting from 1 up to a certain value. In this case, A represents the sum of the first 1 + 2 + 3 + ... + 9 + 10 = 55 positive integers.
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