You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

How can one talk without saying a single word?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?