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

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Find the next number in the sequence

1, 2, 6, 21, 88, __?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Can you place three balls such that the equation shown in the picture holds true?