Why is Saturday stronger than Monday?

What happened when the wheel was invented?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

I have branches, but no fruit, trunk or leaves. What am I?

Can you place six X (crosses) in below board without making three in a row in any way ?