Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

The Little ant seems to be always confused. Do you know why?

What Adam and Eve do not have but the rest of the people have?

Can you spot the man between the coffee bean in the picture below ?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Why do you find that most of the buildings are deprived of the 13th floor?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

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?