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

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What word is pronounced the same if you take away four of its five letters?

What does the below mathematical rebus mean?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?