What is common among 11, 69, and 88?

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 has a ring but no finger?

It belongs to you, but other people use it more than you do. What is it?

What will you call your mother's brother's brother-in-law?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

What is the difference between a jeweller and a jailer?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Which wheel of car does not rotate when you turn your car right?