What is the longest word in the dictionary?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

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

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

What goes up but never comes down?

Forwards I am heavy, backward I am not. What am I?

Can you identify the hidden rebus in the image below?

Prove that the below maths equation is true.

8 + 8 = 91

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

Can you find out who is the kidnapper in below Picture and why, Explain ?