Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

What kind of tree can you carry in your hand?

What does this rebus mean?

O
N
C
E
TIME

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What's a single-digit number with no value?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?