There are 3 dice of different colours namely red, blue and green. What is the probability that when 3 of them are thrown together sum of three numbers is 15 with the least number occuring on red die?

\frac{1}{72}

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\frac{1}{54}

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\frac{1}{108}

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\frac{1}{36}

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Solution

The correct option is B $\frac{1}{54}$

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There are 3 dice of different colours namely red, blue and green. What is the probability that when 3 of them are thrown together sum of three numbers is 15 with the least number occuring on red die?

The correct option is B 154

The correct option is B $\frac{1}{54}$