What runs around the whole yard without moving?

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?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

I have branches, but no fruit, trunk or leaves. What am I?

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

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

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

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?