Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What two things can you never eat for breakfast?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What number should come in place of the question mark below?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?