A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?
Can you count the number of seconds in a year? Clue: You need to bother about calculation.
A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result. Can you find how bias is the floor in this case?
I have a clock(12-hour format) and both the needles of the clock overlap at 12:00. After how much time, they will overlap again?
There was an aeroplane crash, every single person died, but two people survived. How is this possible?
What demands an answer, but asks no questions
What am I?
Can you convert the number zero(0) into a positive number using just one mathematical operator ?
If an electric train is travelling south, then which way is the smoke going?
John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do? But it is quite possible, do you know how?
In the image below, can you find the value of an angle(y)
The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.