Why are all black people so quick ?

I can write cow in 13 letters.

Can You?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

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

Can you find the number?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

I am an odd number. Take away a letter and I become even. What number am I?

When is the top of a mountain similar to a savings account?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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?