Eight of us go fourth, not back, to protect our king from an attack. What are we?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

What has hands, but can’t clap?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

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

What time is it when an elephant sits on a fence?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What's the only room from which no one can enter or leave

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?