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

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

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

which number am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What two things can you never eat for breakfast?

What is the riddle which can be asked all day with a different correct answer each time.

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?