How many triangles are there on the puzzle below?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Count the number of squares in the picture below.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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

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?

Can you solve the below geography rebus by decoding the below rebus ?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?