Can you solve this picture maths equation?

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

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What is the last thing you take off before bed?

What can go up a chimney down, but can’t go down a chimney up?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Which tank will fill first?

What do you see in the given picture?