If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Find out the missing number in the picture attached:

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Can you make a six-letter word using the letters N, A and B ?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What type of tree can I carry in my hand?