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Q 2443778643.     Read the following information to answer the questions.
There are 9 red, 7 white and 4 black balls in an urn.
If two balls are selected at random, what is the probability that one ball is white and the other ball is red?
IPPB-PO 2017 Mains 2301
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)