Question

What was hard to believe about the grandmother

Answer 1

Here is your answer :-

Because the author khushwant Singh only saw his motger old . He had been seeing his mother old since 20 years .

So it is hard for the author to believe that his grandmother was ones young and pretty

Answer 2

It was hard to believe for the narrator that his grandmother was young and pretty once. He had seen his grandmother as the way she looked and for him, it was very difficult to imagine his grandmother to be young. For him, his grandmother was pretty and beautiful as she looked. She was the portrait of white and purity.