You bought me for dinner but never eat me. What am I?

In the addition below, all digits have been replaced by letters.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?

How many words can a pen with half refill write?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

If six children and two dogs were under an umbrella, how come none of them got wet?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Count the number of triangles in the below picture?