There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Find the number of squares in the below-given picture.

What does the below image rebus riddle means ?

Replace the question mark in the picture below.

Can you count the number of quadrilaterals in the picture below?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

What is wrong in the below Picture?