What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

When is the top of a mountain similar to a savings account?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

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?

Which tank will fill first?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

People put me on the table and cut me but do not eat me. What am I?