There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

If 21x = 79x, what is the value of x?

Find the last number in the series below:

voN luJ yaM raM ---

I am the fastest animal but cannot climb the tree. What am I?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Complete the table series riddle by finding the number that can replace "??".

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?