LRDI sets (Elementary) 14

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.

1. L is sharing a car.
2. M is not sharing a car and is seated immediately behind an empty car.
3. T is not sharing a car with either G or P.
4. G is riding in either the third or fourth car.

Q1. Which of the following groups of riders could occupy the second car?

1. L only
2. T and G
3. L and M
4. 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

1. G is riding in the fourth car.
2. P is riding in the third car
3. T is riding in the fifth car.
4. L is riding in the third car.

Q3. Which one of the following statements CANNOT be true?

1. Neither T nor G is sharing a car with another rider.
2. Neither M nor J is sharing a car with another rider
3. T is sharing a car, and J is sharing a car.
4. 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?

1. one
2. two
3. three
4. four

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?

1. M
2. G, P
3. T, L, P
4. T, L, M