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      Question

      Find the HCF of 70 and

      90.┬а
      A 5 Correct Answer Incorrect Answer
      B 7 Correct Answer Incorrect Answer
      C 2 Correct Answer Incorrect Answer
      D 10 Correct Answer Incorrect Answer

      Solution

      ATQ, 70 = 2 ├Ч 5 ├Ч 7 90 = 2 ├Ч 3 ├Ч 3 ├Ч 5 Common factors = 2 and 5 HCF = 2 ├Ч 5 = 10

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