There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

What does the rebus below mean?

TEN BADTION

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

Which is the smallest number that you can write using all the vowels exactly once?

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?