What is the fastest way to double your money?

what's the probability of getting a king or a queen from a pack of 52 cards?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

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

What four weights can be used to balance from 1 to 30 pounds?

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

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Find out the missing number in the picture attached:

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.

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?