Keerthi's grandfather was 16 times older to her 32 years ago. He would be 6 times of her age 16 years from now. What was ratio of ages of keerthi and her grandfather 16 years ago.

(A) 1:10
(B) 11:10
(C) 10:11
(D) 10:1

Keerthi’s grandfather was 16 times older to her 32 years ago. He would be 6 times of her age 16 years from now. What was ratio of ages of keerthi and her grandfather 16 years ago.