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

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

How can you make number one disappear by adding something to it?

What time is it when an elephant sits on a fence?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What 5-letter word typed in all capital letters can be read the same upside down?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?