What is wrong in the below Picture?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Count the number of triangles in the below picture?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

How many times can you subtract the number two from the number fifty?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

What four weights can be used to balance from 1 to 30 pounds?