The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

Decode below rebus
D
N
A
T
S , D

What is the centre of gravity?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Rectify the following equality 101 - 102 = 1 by moving just one digit.