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      Question

      How many factors of 23 Γ— 33 Γ—

      54 Γ— 73 are divisible by 50 but not by 100.
      A 30 Correct Answer Incorrect Answer
      B 24 Correct Answer Incorrect Answer
      C 48 Correct Answer Incorrect Answer
      D 36 Correct Answer Incorrect Answer

      Solution

      50=52Γ—2 100=52Γ—22 23 Γ— 33 Γ— 54 Γ— 73 =52Γ—2Γ—22Γ—52Γ—33Γ—73) =52Γ—33Γ—73 Total factor=3Γ—4Γ—4 =48.

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