RRB NTPC · Question 78

If a box contains 3 white cushions, 4 red cushions and 5 blue cushions, what is the probability of selecting a white or blue cushion? A. 2/3 B. 3/4 C. 1/4 D. 1/9

1. A

   A

2. B

   D

3. C

   B

4. D

   C