A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Name a key which is hardest to turn.

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

What's the next in the series?

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

I taste better than I can smell. Who am I?

How many runs at maximum can a batsman score in a normal one-day match? Consider the fact that the conditions are ideal and there are no No Balls, no Wide Balls and no Extras in that match.

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

Which part of London exists in France as well ?