What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

John was piloting a plane behind a car but was never able to overtake it. Why?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

John was drowned by he was not wet. How?

What does the below rebus riddle means?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?