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The price of a notebook bundle is ₹3_6. For the number 3_6 to be divisible by 3, which value can the missing tens digit take?

Class 6Divisibility RulesPlaying with Numbers
  • A0
  • B1
  • C4
  • D7

Step-by-Step Solution

Digit sum = 3 + blank + 6 = 9 + blank. For divisibility by 3, 9 + blank must be a multiple of 3, so blank must be a multiple of 3 (0, 3, 6, 9). Among the options, only 0 is a multiple of
Answer: A) 0

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