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?

What month of the year has 28 days?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

How many sides does a circle have?

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

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

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

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?