In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

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.

Why do Chinese men eat more rice than Japanese men do ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

My location can be determined by the below rebus.
So where am i ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.