Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Find the value of "?" in the ball picture Riddle below:

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What part of the chicken has the most feathers?

Which of the below owl is odd one out?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

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?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.