Question

In two bag one bag carry 10 white ball and other bag carry 10 black ball . a person is asked to choose a bag randomly and then pick the ball what is probability of getting a white ball?
[NDA 2017]

Answer 1

in one it is 10 white balls so its probobality total no. Of balls 20 so 10/20 × 100 so probabilty is 1/50