who is silent in the parliament?

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

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What number divided by 4 is the same as that number minus 4?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

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).