Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

What does an Island and the letter T have in common?

Can you replace the question mark with the correct number?

Can you count the number of triangles in the given picture?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

I am an odd number. Take away a letter and I become even. What number am I?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat