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The number 91,3_5 (a five-digit number) is divisible by 3 and the blank is the tens digit.
List how many digit values (0 to 9) can fill the blank.

Class 6Divisibility RulesPlaying with Numbers
  • A3
  • B8
  • C5
  • D4

Step-by-Step Solution

Digit sum = 9 + 1 + 3 + blank + 5 = 18 + blank. This is a multiple of 3 when blank is a multiple of 3, i.e. blank = 0, 3, 6, 9. That is 4 values.
Answer: D) 4

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