What does the below image rebus riddle means ?

Why is Saturday stronger than Monday?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

What makes this number unique: 8,549,176,320?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?