what does this picture(rebus) riddle means ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

Move three sticks of the spiral below to form a square.

What is the difference between a jeweller and a jailer?

With the help clues provided in the image, can you find the 5 digit key?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Move four matchsticks to the below square to form three squares?