In the four images below, can you find the odd one out?

Which alphabet is a part of our body?

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

Count the number of triangles in the given picture.

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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