Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

who is silent in the parliament?

What is next number in the pattern below:

131 517 192 123 ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?