There are four boxes A1, A2, A3 and A4. Box Ai has i cards and on each card a number is printed, the numbers are from 1 to i. A box is selected randomly, the probability of selection of box Ai is i/10 and then a card is drawn. Let Ei represents the event that a card with number ‘i’ is drawn.
P(A3/E2) is equal to
(A) 1/4
(B) 1/3
(C) 1/2
(D) 2/3