I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Which flower has two lips?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

Prove that twice of ten is the same as twice of eleven.

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

What is the next number in this series?

4,12,84,3612....

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?