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RPF Sub-Inspector (Executive) 2019 · Question 81 of 82

a ix Get the product of the two digits of which the smallest equator ratio (LCM) is 70 and the maximum consonant (HCF) is 7. .

  1. A480
  2. B490Correct
  3. C510
  4. D390

Answer: B. 490

Explanation

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 70 = 490 a . ix

Source: RPF SI Previous Year Paper 06-Jan-2019 — answer key & detailed solutions (ixambee PDF) · reliable-secondary

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