Can you find out the total number of triangles in the given figure?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

What question can you never answer yes to?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

What is full of holes but still holds water?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

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

Count the number of balls in picture below: