Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Find the missing number in the image below.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

The answer I give is yes, but what I mean is no. What was the question?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

There are forty elephants and they have forty-fore heads. How can this be possible?

Count the number of squares in the picture below.

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?