There is a square of a particular number which when doubled, becomes 7 more than its quarter. Can you find the number?
The ages of a father and son add up to 66. The father's age is the son's age reversed. How old could they be? (3 possible solutions).
What has 88 keys?
What does this simple rebus mean?
Different lights make me strange by changing me into different sizes. What am I?
Prove that the below maths equation is true. 8 + 8 = 91
Here is a mathematical expression that also secretly tells a movie name. What movie is that?
I don't get anymore wetter, no matter how much rain falls on me.
With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?
Can you fill the blank with the correct number? 6 30 870 756030 _____
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.