What does this rebus riddle means ?

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

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

How many words can a pen with half refill write?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

No matter how little or how much you use me, you change me every month. What am I?

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

One day, Birbal got late for a function and Akbar was highly disappointed.
Please forgive me Jahanpanah. I arrived late because my child was crying and I had to calm him down, explained Birbal.
Does it take this long to placate a child? questioned the emperor. I feel that you have no idea about how to raise a child. I order you to act like a child and I will act like your father to show you how you should have dealt with your child. Come on! Ask me all that he asked from you.
Father, I want a cow, said Birbal.
The emperor quickly ordered one of the servants to bring a cow to the kingdom.
I want to drink its milk, now, now, now! said Birbal, imitating the voice of his child.
Akbar asked his servants to milk the cow and give to Birbal.
The servants quickly milked the cow and offered the milk to Birbal. He sipped in a little and then gave the bowl to the emperor.
As Birbal put up the next demand that was put up by his child a few hours ago, the emperor was stunned and left the room.
What did Birbal say?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Find the missing number in the image below.