How many times in a given day, minutes and hour clock comes in a straight line ?

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?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

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 does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Look at the picture and find out which square is not linked with any of the other squares.

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What kind of tree can you carry in your hand?