Question

Three dice are thrown. Then the probability that no outcomes is similar is p/q then q – p is (where p and q are co-prime)

Answer 1

The correct answer is : 4

P(E)=$\frac{6\times5\times4}{6\times6\times6}=\frac{20}{36}=\frac{5}{9}=\frac{p}{q}$

$q-p=9-5=4$