Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

What is the coolest letter in the alphabet?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

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?

Readers with the most attentive eyes can find three differences between the crocodile pictures in 10 seconds. Can you? Test your attentiveness now!

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?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Name a key which is hardest to turn.