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

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

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

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?