Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

What two things can you never eat for breakfast?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What do you answer even though it never asks you questions?

Which digit occurred maximum times between the number 1 and 1000?

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?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?