1.
Five bears - Jinan, Knot, Lee, Mushu and Nee-Hau - are kept in three adjacent rooms numbered 1-3 from left to right.

There is at least one bear in each room.
Knot is in a room to the left of Lee's.
Mushu and Nee-Hau are not kept in the same room.
Either Mushu or Jinan, but not both, are kept in room 2.
Nee-Hau is kept in room 3.

Which one of the following could be a possible arrangement?
2.
Five bears - Jinan, Knot, Lee, Mushu and Nee-Hau - are kept in three adjacent rooms numbered 1-3 from left to right.

There is at least one bear in each room.
Knot is in a room to the left of Lee's.
Mushu and Nee-Hau are not kept in the same room.
Either Mushu or Jinan, but not both, are kept in room 2.
Nee-Hau is kept in room 3.

Which one of the following CANNOT be true?
3.
Five bears - Jinan, Knot, Lee, Mushu and Nee-Hau - are kept in three adjacent rooms numbered 1-3 from left to right.

There is at least one bear in each room.
Knot is in a room to the left of Lee's.
Mushu and Nee-Hau are not kept in the same room.
Either Mushu or Jinan, but not both, are kept in room 2.
Nee-Hau is kept in room 3.

Which of the following pairs is a possible combination for two occupants in one of the rooms?
4.
"Five bears - Jinan, Knot, Lee, Mushu and Nee-Hau - are kept in three adjacent rooms numbered 1-3 from left to right.

There is at least one bear in each room.
Knot is in a room to the left of Lee's.
Mushu and Nee-Hau are not kept in the same room.
Either Mushu or Jinan, but not both, are kept in room 2.
Nee-Hau is kept in room 3.

A sixth bear, Osami, is brought into either room 2 or 3. If there are now two bears in each room, which statement must be true?"
 
5.
Five bears - Jinan, Knot, Lee, Mushu and Nee-Hau - are kept in three adjacent rooms numbered 1-3 from left to right.

There is at least one bear in each room.
Knot is in a room to the left of Lee's.
Mushu and Nee-Hau are not kept in the same room.
Either Mushu or Jinan, but not both, are kept in room 2.
Nee-Hau is kept in room 3.

Adding which one of the following to the existing conditions would enable determining the room each bear is kept in?
6.
Review the facts below.
  • Apples have grains.
  • Onions have a strong smell.
  • Grains do not smell.
  • Strong smells do not bother David, unless he is running a fever.
Based on the information above, which of the following MUST be true?
7.
Review the facts below. 
  • Cleo is a good dog.
  • Colonel is a bull.
  • Good dogs are fast and keep the house safe.
  • Bulls do not make noise.
Which statement must be true?
 
8.
Six out of eight people - a florist, gardener, historian, inventor, jeweler, locksmith, mailman and optician - introduce their occupation in a two-day career event, three people each day, each in a different time slot: morning, mid-day and afternoon.

The florist can only speak on day 2.
The gardener and the locksmith cannot speak during mid-day.
If the gardener speaks on day 1, the optician and the jeweler speak on day 2.
The inventor and the mailman will not speak on the same day.
If both the inventor and the locksmith are speaking, the inventor speaks sometime before the locksmith.

If both the jeweler and the florist speak, but not on the same day, which of the following CANNOT be true?
9.
Six out of eight people - a florist, gardener, historian, inventor, jeweller, locksmith, mailman and optician - introduce their occupation in a two-day career event, three people each day, each in a different time slot: morning, mid-day and afternoon.

The florist can only speak on day 2.
The gardener and the locksmith cannot speak in mid-day.
If the gardener speaks on day 1, the optician and the jeweller speak on day 2.
The inventor and the mailman will not speak on the same day.
If both the inventor and the locksmith are speaking, the inventor speaks sometime before the locksmith.

If the inventor and the historian both speak in the morning and the gardener speaks on day 1, what is the maximal number of timeslots for the locksmith?
10.
Review the facts below.
  • Tim lives in a big apartment.
  • Abby lives in a small apartment.
  • There are no big apartments in Tinyville.
  • Small apartments have one bedroom.
Which statement MUST be true?