Count the squares in the matchstick puzzle below?
I am a prime number. The double of myself is equal to the square of me. which number am I?
Imagine you are in a room with no windows or doors. How will you get out?
A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?
There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units. Can you calculate the dimensions of this box with the given data?
If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?
You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely? DONALD +GERALD =ROBERT
I go up and I go down. I go up towards the beautiful sky and down toward the green ground. I am present tense. I am past tense too Children love me. Who Am I?
We can be boring,Or interesting. We can be long,Or short. We can have pictures,Or just words. Many love us,But many also hate us. What are we?
I am a type of vehicle that has two wheels and is powered by humans. What am I? Hint 1: You can ride me for exercise. Hint 2: I am environment-friendly.
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
