What is the riddle which can be asked all day with a different correct answer each time.

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

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

Can you name some countries which do not have the alphabet 'A' in them?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.