Question

the results of examination in 2 papers A and B for 20 candidates were as follows:
#8 candidates passed in A
#7 candidates passed in B
#8 candidates failed in both, out of these candidates 1 is selected.What is the probability he passed in both the papers?​

Answer 1

Answer:

1/20

Step-by-step explanation:

20 candidates

only one 1 selected