Everyone in Niko's class has a different birth date. If Niko is both the 8th oldest person and the 12th youngest person in his class, how many students are in Niko's class?
A. 18
B. 19
C. 20
D. 21
Answer:B
Everyone in Niko's class has a different birth date. If Niko is both the 8th oldest person and the 12th youngest person in his class, how many students are in Niko's class?
A. 18 B. 19 C. 20 D. 21
Explanation: B