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

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What is both possible and impossible at the same time?

Can you name an animal whose killing cannot be performed without spilling your own blood?

What is the Surname of Barbie Doll?

Which tank will fill first?

How many times do a clock's hands overlap in a day ?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?