Abox contains25 springs,of which 20 are good and 5 are faulty.Of the good springs,3has a scratch and of the faulty springs,1has a scratch.Two springs are chosen at random from the box.Find,in any order,the probability that both springs are good and at least one has a scratch.
Selectone:
Oa. 9/50
Ob. 037/50
Oc. 1/2
Od. 41/50