It belongs to you, but other people use it more than you do. What is it?

Find out the missing number in the picture attached:

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.

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

What word is pronounced the same if you take away four of its five letters?

What part of Turkey has the most feathers?

Below rebus represent famous DiCaprio movie. Can you name it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.