I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What runs around the whole yard without moving?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

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