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

Can you write down eight eights so that they add up to one thousand?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

why number 8549176320 is one of a kind?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Replace the question mark with the number below given a simple math problem.

Can you find out the missing number in the grid?

What is wrong in the below Picture?

what's the probability of getting a king or a queen from a pack of 52 cards?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?