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

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

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

What's a single-digit number with no value?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

What can you see in the middle of March and April that you can never see in any other month?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.