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?

What kind of tree can you carry in your hand?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Why is 6 afraid of 7?

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

10+10 and 11+11 can give you the same answer.

Explain how?

Can you find out the number of the parking space in which the car is parked?

What has 88 keys?

Can you start the fire using two pieces of wood?

By what process could you make a 'Tea-Table' into food?