AP EAPCET 17th May 2023 Shift 2 Solved Paper

Three boxes B1,B2 and B3 contain balls with different colors as follows:A die is thrown. Box B1 is chosen if either 1 or 2 turns up. Box B2 is chosen if 3 or 4 turns up and box B3 is chosen if 5 or 6 turns up. Having chosen a box in this way, a ball is drawn at random from that box. If the ball drawn is found to be Red, then the probability that it is drawn from box B2 is