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MICAT HCF and LCM — practice questions

Explore 2 free HCF and LCM questions in MICAT Mathematicalability. Open each question or exercise to read its content, reference answers and available explanation.

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HCF and LCM questions and exercises with answers

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Worked practice questions

Find HCF of 24, 36 and 60.

  1. 60
  2. 6
  3. 24
  4. 12
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Correct answer: D. 12

1. 24 = 2³·3; 36 = 2²·3²; 60 = 2²·3·5. 2. Common factors: 2² · 3 = 12. 3. HCF = 12. _Source: TSICET 2024 PYQ Q.77 (Shift 1, HCF and LCM)_

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Find LCM of 12, 15 and 20.

  1. 180
  2. 30
  3. 120
  4. 60
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Correct answer: D. 60

1. 12 = 2²·3; 15 = 3·5; 20 = 2²·5. 2. LCM = 2² · 3 · 5 = 60. 3. Answer: 60. _Source: TSICET 2024 PYQ Q.78 (Shift 1, HCF and LCM)_

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