Properties of ten numbered cards

Properties of ten numbered cards

Secondary 2
TGM Original Questions

One card is chosen from cards numbered 4, 7, 9, 10, 12, 15, 17, 18, 20 and 25. Find the probability that the number is

  1. a multiple of 5,
  2. prime,
  3. not divisible by 3,
  4. divisible by 4 or 5.

Solution:

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Answer:(i) \(2/5\); (ii) \(1/5\); (iii) \(3/5\); (iv) \(3/5\).

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