When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

What does this rebus riddle means ?

What does below pictogram mean?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

Before Mount Everest was discovered, what was the highest mountain in the world?

What is harder to catch the faster you run?