Can you replace the question mark with the correct number?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

How many letters are in the alphabet?

I make two people out of one. What am I?

Find the hidden panda in the image below.

Why 1729 is a magic number? Answer Logically.

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?