You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

Can you find out the remainder when 3^300 is divided by 5?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

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

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Which country gets ill every time?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?