By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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

Find the missing number in the image below.

Can you find out which options fits best with the missing column?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

What is the last thing you take off before bed?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Count the number of triangles in the below picture?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?