[\dfrac{4 \times 5}{15 \t...] A box contains 4 red, 5 blue and 6 green balls of identical size. Two balls are drawn at random. The

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A box contains 4 red, 5 blue and 6 green balls of identical size. Two balls are drawn at random. The probability that one is blue and the other is green is A)$\dfrac{5 \times 6}{15 \times 14}$

$\dfrac{5 \times 6 \times 2}{15 \times 14}$

$\dfrac{4 \times 5}{15 \times 14}$

$\dfrac{4 \times 5 \times 2 }{14 \times 15}$

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