Which alphabet letter is a question?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Why are televisions attracted to people?

Why is the Hole below a Lock?

What is both possible and impossible at the same time?

Find the value of "?" in the ball picture Riddle below:

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?