There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Which is heavier: a ton of bricks or a ton of feathers?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

What shoe company does this rebus represent?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

What jumps when it walks and sits when it stands?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

what's the probability of getting a king or a queen from a pack of 52 cards?