I know a nine-letter word having only one vowel.
Do you ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Can you find the 09 errors in the picture below?

What's a single-digit number with no value?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

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

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

What can go through glass without breaking it?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211