Topic: Logic
Difficulty: 5/10

Hint in 3…..
2………
1………
Try to figure out A’s identity first
Solution in 3…..
2………
1………
FULL SOLUTION
Step 1: If “A” is a knave, his statement would be false which means that none of them are knaves, which then contradicts his identity.
Step 2: Since “A” is a knight, he must be telling the truth which makes “B” a knave