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

They are three errirs in this question. Can you find them?

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

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

What is black when you buy it, red when you use it, and gray when you throw it away?

Can you identify if it's a murder or a suicide ?

What has many teeth, but cannot bite?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Why is Saturday stronger than Monday?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?