1.

A box contains 10 green, 20 red, 30 black and 40 orange marble. One marble is drawn from the box at random. The probability that marble is neither green nor orange is:

Answer»

A box contains 10 green, 20 red, 30 black and 40 orange marble. One marble is drawn from the box at random. The probability that marble is neither green nor orange is:



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