People put me on the table and cut me but do not eat me. What am I?

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

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What word begins and ends with an E, but has only one letter?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What has 88 keys?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What is the next number in the series?

15 29 56 108 208 ?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?