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      Question

      Get the product of the two digits of which the smallest

      equator ratio (LCM) is 70 and the maximum consonant (HCF) is 7. 
      A 480 Correct Answer Incorrect Answer
      B 490 Correct Answer Incorrect Answer
      C 510 Correct Answer Incorrect Answer
      D 390 Correct Answer Incorrect Answer

      Solution

      LCM = largest common multiple HCF = highest common factor Example: 2, 3, 4 LCM = 12 (divisible by all); HCF = 1 (can exactly divide all the given numbers) As we know, The product of the two numbers = HCF × LCM The product of the two numbers = 7 x 70 = 490

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