Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

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

What is next number in the pattern below:

131 517 192 123 ?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

What can you hold in your right hand, but never in your left hand?

Can you write down eight eights so that they add up to one thousand?

Replace the question mark with the correct number in the below-given picture?

Which tank will fill first?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?