You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

What building has the most stories?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

What work can one never finish?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What jumps when it walks and sits when it stands?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Solve this riddle by finding the odd one out from the rest.