A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

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

Replace the question mark with the number below given a simple math problem.

Which city is three-fifths chick two third cat and 50% goat?

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

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

What kind of tree can you carry in your hand?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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