A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

In the image below, can you find the value of an angle(y)

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

When we see 2 but call 10?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

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

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

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