JEE Main 2018 — Probability Question with Solution
JEE Main 2018 (15 Apr Shift 1 Online)
Question
A box ' ' contanis 2 white, 3 red and 2 black balls. Another box ' contains 4 white, 2 red and 3 black balls. If two balls are drawn at random, without replacement, from a randomly selected box and one ball turns out to be white while the other ball turns out to be red, then the probability that both balls are drawn from box ' is
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Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Probability of drawing a white ball and then a red ball from bag is given by
Probability of drawing a white ball and then a red ball from bag is given by
Hence, the probability of drawing a white ball and then a red ball from bag
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This is a previous-year question from JEE Main 2018, covering the Probability chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.