Count the number of triangles in the picture below:

What came first, the chicken or the egg?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I shave every day, but my beard stays the same. What am I?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Make a sentence consisting of three words that have the whole alphabet.