How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

What can you deduce from the following BrainBat?

CRY
LMKI

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you name four days which start with the letter 'T'?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?