I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

What is wrong in the below Picture?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

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

John is the son of Jacob.
So,
Jacob is the_____of John's father?