AA, BB, CC, DD and EE are five girls competing in a running race. CC and AA…
2019
AA, BB, CC, DD and EE are five girls competing in a running race. CC and AA have at least two girls ahead of each of them. EE and AA do not have more than one girl behind each of them. Who arrives at the finish line after two girls as well as before two other girls?
- A.
BB
- B.
DD
- C.
EE
- D.
CC
Attempted by 6 students.
Show answer & explanation
Correct answer: D
CC and AA each have at least two girls ahead, so neither can be first or second. EE and AA have at most one girl behind, so they must be fourth/fifth positions among the constraints. The only girl who can be exactly in the middle is CC.