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

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

Decode below rebus
D
N
A
T
S , D

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What number divided by 4 is the same as that number minus 4?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

I have teeth but i don't bite. Who Am I ?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Which wheel of car does not rotate when you turn your car right?