Can you identify if it's a murder or a suicide ?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

How can you make number one disappear by adding something to it?

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.

What number when divided in half becomes zero?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Decode below three cipher riddles:

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

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?