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If 60% of a number is 120, what is 20% of that number?

A20
B40
C60
D80

Explanation

  • Find the number first: 0.6x = 120, so x = 120 ÷ 0.6 = 200.
  • Now take 20% of 200, which gives 40.
  • Faster route: 20% is one third of 60%, so the answer is simply 120 ÷ 3 = 40.
  • Option D 80 is what you get by taking 40% of the number instead of 20%.
  • Once you know 10% of the number is 20, every other percentage is just a multiple of that.
Submitted by: mcqstutor Team More Mathematics MCQs →

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