Can you count the number of triangles in the picture below?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

I am sure no one can have two things for dinner. what are they?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

What goes up but never comes down?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?