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Question: Answered & Verified by Expert
A bag contains 21 markers with numbers 1 to 21. A marker is drawn at random and then replaced and then a second marker is drawn. The probability that the first number is odd and the second is even is
MathematicsProbabilityJEE Main
Options:
  • A 1021
  • B 1121
  • C 110441
  • D 100441
Solution:
1460 Upvotes Verified Answer
The correct answer is: 110441
Probability that the first marker is odd =1121
Probability that the second marker is even =1021
The required probability =1121×1021=110441

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