People make me, save me, change me, raise me. What am I?

Solve the equation in the image by looking at the pattern closely.

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

Find the 8 in the below-given Image.

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

In the picture given below, can you find out which digit will take place of the question mark?