What is the word or phrase?

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

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

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

What does the below rebus riddle means?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

The Little ant seems to be always confused. Do you know why?