What is the present age of the mother?
A. Father's age is eight years more than the mother’s age. Father got married at the age of 28 years.
B. Present ageof the father is 30 years. Fouryears back the ratio of mother’s age to father’s age was 12 : 13.

if the data in statement B alone are sufficient to answer the question while the data in statement A alone are not sufficient to answer the question.

if the data in statement A alone are sufficient to answer the question, while the data in statement B alone not sufficient to answer the questions.

if the data either in statement A alone or in statement B alone are sufficient to answer the question.

if the data in both the statements A and together are not sufficient to answer the question.