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?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

When is the top of a mountain similar to a savings account?

Be active and find the killer in the picture Riddle below.

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

In the image below, can you find the value of an angle(y)