You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

What is black when you buy it, red when you use it, and gray when you throw it away?

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

In the image below, can you find the value of an angle(y)

What is the end of everything?

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?

With the help clues provided in the image, can you find the 5 digit key?

How many times do a clock's hands overlap in a day ?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59