Question of probability: An urn contains 9 red, 7 white and 4 black balls. If two balls are drawn at random, find the probability that (i) both the balls are red (ii) both balls are white (iii) the...


Question of probability:<br>An urn contains 9 red, 7<br>white and 4 black balls. If<br>two balls are drawn at<br>random, find the<br>probability that<br>(i) both the balls are red (ii)<br>both balls are white<br>(iii) the balls are of same<br>colour (iv) One is white<br>and other is red<br>(P.U.B.B.A. I April 2008)<br>(v) At least one ball is<br>white.<br>

Extracted text: Question of probability: An urn contains 9 red, 7 white and 4 black balls. If two balls are drawn at random, find the probability that (i) both the balls are red (ii) both balls are white (iii) the balls are of same colour (iv) One is white and other is red (P.U.B.B.A. I April 2008) (v) At least one ball is white.

Jun 11, 2022
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