Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Identify the hidden meaning behind this picture?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What is the word or phrase?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What is the largest number you can write with just 3 digits?

Can you find out which number multiplied by itself will give the output as 12345678987654321?