Multiple choice

What is the HCF of 240 and 196?

  1. 24

  2. 16

  3. 4

  4. 2
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C Correct answer
Explanation

Factors of 240 = 1, 2, 3, 4, 6, 8, 10, 12, 15, 16, 20, 30, 24, 40, 60, 80, 120, 240, 5, 48 Factors of 196 = 1, 2, 4, 7, 14, 28, 49, 88, 196 Common factors = 1, 2, 4 HCF of 240 and 196 = 4

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