Multiple choice

What is the HCF of 120 and 160?

  1. 10

  2. 20

  3. 40

  4. 80
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Factors of 120 = 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60 Factors of 160 = 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160 Common factor = 1, 2, 3, 5, 8, 10, 20, 40 HCFof 120 and 160 is 40.

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