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?

Decipher

yyyy u r, yyyyy u b, i c u r y+y 4 ? by sharks. How would you survive?

Find the missing number in the sequence.

3 5/3 7/5 11/7 ? 17/11

Can you count the number of children in the picture below

Rearrange the letters in "new door" to make one word.

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

Why do we preferably have round manhole covers and not square ones?

Can you identify the hidden rebus in the image below?

What is the fastest way to double your money?

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?