What goes up but never comes down?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

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

Two brothers were watching a horror film on video late one night. One brother dozed off and dreamed that he was being chased by the crazy man from the movie, who was trying to kill him. In the dream, he hid in a cupboard. There was no sound except his heart pounding, and he had no idea where his crazed captor was. He was terrified! At that moment, the video finished, and his brother put his hand on the shoulder of his sleeping sibling to wake him. The shock at that tense moment was enough that the sleeping brother suffered a massive heart attack and died instantly. True or false?

Solve the counting riddle by identifying the number of triangles in the given picture.

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

How is the moon similar to a dollar?

How can you take 2 from 5 and leave 4?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?