During a school visiting day,a mother visited her daughter.She carried a bag containing 12 oranges,16 apples, and 8 mangoes,all
of them the same size.She draws 3 fruits for her daughter's friends without replacement.Find the probability that; a The 3 are oranges b 1 is Apple, the other 2 mangoes c 1 is orange,1 apple and a mango
