John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

81 x 9 = 801. What must you do to make the this equation true?

What is the next number?

77, 49, 36, 18 ?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?