The probability that a football player will play Eden garden is 0.6 and on Ambedkar Stadiu is 0.4. The probability that he will get knee injury when playing in Eden is 0.07 and that in Ambedkar stadium is 0.04.What is the probability that he would get a knee injury if he played in Eden.

The key word is 'if'. This indicates a conditional probability. Can you try it? It's easier if you can draw a probability tree.

Post what you get, even if you think it's wrong, we'll correct it.

The probability that a football player will play Eden garden is 0.6 and on Ambedkar Stadiu is 0.4. The probability that he will get knee injury when playing in Eden is 0.07 and that in Ambedkar stadium is 0.04.What is the probability that he would get a knee injury if he played in Eden.