If two's company, and three's a crowd, then whats four and five ?

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

Before Mount Everest was discovered, what was the highest mountain in the world?

Replace the question mark with the correct number in the below-given picture?

Which city is three-fifths chick two third cat and 50% goat?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

Can you find the company name in the pictogram below?

What is the riddle which can be asked all day with a different correct answer each time.

Can you decipher the below rebus?

PBLUESAISNUERSES

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?