What number should come in place of the question mark below?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Next Number in the Series,

5, 16, 49, 104, ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What is the largest number you can write with just 3 digits?

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

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

How can you leave a room with two legs and return with six legs?

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