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?

Can you find the missing piece of the Porsche?

What month of the year has 28 days?

What four weights can be used to balance from 1 to 30 pounds?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Find the missing number in the sequence below:

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What part of Turkey has the most feathers?

Prove that twice of ten is the same as twice of eleven.