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#Question id: 14692


A box contains 6 white balls and 3 black balls and another box contains 4 white balls and 5 black balls. The probability that a ball selected from one of the box again selected at random is a white ball.

#Part-A Aptitude & General Biotechnology
  1. 6/18
  2. 4/18
  3. 1/2
  4. 5/9

Answer:- Option(s): 4


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