If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

What four weights can be used to balance from 1 to 30 pounds?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can you fill the blank with the correct number?

6 30 870 756030 _____

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?