Question

"she was an interesting girl", i said, "can you tell me did she keep her hair long or short?" Change indirect speech​

Answer 1

I said that she was an interesting girl and further asked if he/she could tell me she kept her hair long or short.

Hope this helps you.

Answer 2

I said that she was an interesting girl and further asked whether he/she could tell me she kept her hair long or short.
now it's correct.