Probability — CSIR Net PYQ (Question 10)

A Probability previous-year question (PYQ) from Mathematical Physics (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 10 of 18 · 5.0 marks

A bucket contains 6 red and 4 blue balls. A ball is taken out of the bucket at random and two balls of the same colour are put back. This step is repeated once more. The probability that the numbers of red and blue balls are equal at the end, is

1 $4/11$
2 $2/11$
3 $1/4$
4 $3/4$

Correct answer: Option 2

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This Probability PYQ is part of the Mathematical Physics section of CSIR Net. Browse more Probability questions or join the PhysicsByAaryan live batch for full conceptual coverage.