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      Question

      Determine the unit digit of the product:

      785ร—6194ร—319ร—1296
      A 5 Correct Answer Incorrect Answer
      C 2 Correct Answer Incorrect Answer
      D 6 Correct Answer Incorrect Answer

      Solution

      Unit digit of the product of 785 ร— 6194 ร— 319 ร— 1296 = unit digit of the product of the unit digits of each of the 4 numbers i.e. unit digit of 5 ร— 4 ร— 9 ร— 6 = 1080 Unit digit of 1080 is โ€˜0โ€™

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