The question given below has few statements along with it. You have to determine which of the statements are sufficient for answering the question and mark your answer accordingly: What is the speed of boat in still water? Statement I. The boat covers 12 km downstream in 4 hours. Statement II. The boat takes 6 hours to row 12 km in upstream water.

Data given in statement 1 alone are sufficient to answer the question whereas the data given in statement 2 alone are note sufficient to answer the question.

Data given in statement 2 alone are sufficient to answer the question whereas the data given in statement 1 alone are not sufficient to answer the question.

Data in either statement 1 alone or in statement 2 alone are sufficient to answer the question.

Data in both the statement 1 and 2 not sufficient to answer the question.

Data given in both the statement 1 and 2 are necessary to answer the question.