Can you fill the blank with the correct number?

6 30 870 756030 _____

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Solve the puzzle by telling what does below picture means.

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I’m tall when I’m young, and I’m short when I’m old. What am I?