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.

Which five letter word can be added at the end of below word to form a
valid word?

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A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

What is wrong in the below Picture?

Replace the question mark with the correct number in below Picture:

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

Solve below rebus puzzle?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

why number 8549176320 is one of a kind?

Take one out and scratch my head, I am now black but once was red. What am I?