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

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Which country gets ill every time?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

The more you take me, the more you leave me behind.
Who Am I?

Which is the smallest number that you can write using all the vowels exactly once?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?