Pointing to a woman in a photograph, Ram says, "She is the only daughter of the mother-in-law of my only son." How is the woman related to Ram?

Daughter in law

Before answering this question we must be aware of the method to solve the blood relation questions.

For example:

It is now clear, how to make charts in Blood relations. Now, shifting to another type, in this we solve the question in the following manner.

The chart for the above question is as follows:

Wife of Ram's son will be Ram's daughter in law.