What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

How can you take 2 from 5 and leave 4?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Before Mount Everest was discovered, what was the highest mountain in the world?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?