why number 8549176320 is one of a kind?

How many triangles can you find in this given picture?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?