JEE Main Mock Test 7

Q 1 / 25
1:00:00
Section A - MCQMediumJEE Main 2021
Question 1+4 marks
Bag 1 contains 4 white balls and 5 black balls, and Bag 2 contains n white balls and 3 black balls. One ball is drawn randomly from Bag 1 and transferred to Bag 2. A ball is then drawn randomly from Bag 2. If the probability, that the ball drawn is white, is 2945\frac{29}{45}, then n is equal to: