During which month do people sleep the least?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

How many triangles can you count in the figure given?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.