Bag I contains 3 red and 4 black balls and Bag II contains 4 red and 5 black balls. Two balls are transferred at random from Bag I to Bag II and then a ball is drawn from Bag II. The ball so drawn is found to be red in color. Find the probability that the transferred balls were both black. Answer soon

### Asked by Trisha Gupta | 23rd Sep, 2021, 06:57: AM

### Answered by Renu Varma | 23rd Sep, 2021, 11:54: AM

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