Can you fill the blank with the correct number?

6 30 870 756030 _____

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

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What does the below image rebus riddle means ?

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

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

What is more useful when it is broken?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

I am the fastest animal but cannot climb the tree. What am I?