Which country gets ill every time?

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?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What am I?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

There is something which you can be arrested for attempting but not for successfully completing.

Move four matchsticks to the below square to form three squares?

Replace the question mark with the correct number below.

Keyboard words are not in alphabetical order, Why?