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

What occurs twice in a week, once in a year but never in a day?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

What is full of holes but still holds water?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

What does this Rebus Picture mean?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?