If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

What's the best place to go shopping in the ocean?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

81 x 9 = 801. What must you do to make the this equation true?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

What two things can you never eat for breakfast?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?