Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Can you count the number of triangles in the given figure?

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

Which Burger Is Different in below image?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

What does this rebus means ?

PROG WORKRESS

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?