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.

I’m tall when I’m young, and I’m short when I’m old. What am I?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?