A man dies of old age on his 25 birthday. How is this possible?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

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

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Can you write down eight eights so that they add up to one thousand?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

Remove two matchsticks to make the below equation correct.

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

How do you go from 98 to 720 using just one letter?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?