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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

What does this rebus mean?

O
N
C
E
TIME

Find out the missing number in the picture attached:

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)