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GATE 2024 ES – Question 11

Mathematics Foundation · Probability and Statistics · 1 mark · Multiple choice

Ten cards are numbered1–10. Find the probability of drawing an even number or a multiple of 5.

  1. 4/10
  2. 6/10
  3. 2/10
  4. 3/10

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Correct answer: (B) 6/10

Explanation

Even numbers are2,4,6,8,10. Multiples of 5 are5,10. Their union is 2,4,5,6,8,10,six of ten equally likely cards. The overlapping10 is counted once, so probability=**6/10,B**.

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