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

What has one letter and starts with an E?

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?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

Can you move 2 matchsticks to form four equal sized squares.

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.