An amusement park roller coaster includes five cars, numbered 1 through 5 from front to back. Each car accommodates up to two riders, seated side by side. Six people-T, G, L, M, P and J-are riding the coaster at the same time.
- L is sharing a car.
- M is not sharing a car and is seated immediately behind an empty car.
- T is not sharing a car with either G or P.
- G is riding in either the third or fourth car.
Q1. Which of the following groups of riders could occupy the second car?
- L only
- T and G
- L and M
- J and T
Q2. If is riding immediately behind L's car and immediately ahead of T’s car, all of the following must be true EXCEPT
- G is riding in the fourth car.
- P is riding in the third car
- T is riding in the fifth car.
- L is riding in the third car.
Q3. Which one of the following statements CANNOT be true?
- Neither T nor G is sharing a car with another rider.
- Neither M nor J is sharing a car with another rider
- T is sharing a car, and J is sharing a car.
- G is sharing a car, and P is sharing a car.
Q4. If P is riding in the second car, how many different combinations of riders are possible for the third car?
Q5. Assume that a seventh rider is riding with J in the first car, but that all other rules remain unchanged. Which of the following is a complete and accurate list of the riders who might be riding in the fifth car?
- G, P
- T, L, P
- T, L, M