JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 26
question_answer
In a building A, somewhere in New Delhi, there are 9 healthy people and 1 dengue infected person. In another building B, there are 10 healthy people. 9 people from building A move to building B and then 9 people from building B move to building The probability that the dengue infected person is still in building A is ______.