John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

Can you find out the total number of triangles in the given figure?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

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?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

A man was just doing his job when his suit was torn. Why did he die three minutes later?