data sufficiency - prakash wants to purchase a flat in city by selling his farming land of 1 acre how much prakash has to pay to buy the flat i price of the flat is 3 times the price of 1 acre farming land ii price of 1 acre farming land is valued - skillgun

Please read the below given text for solving the question Each question given below has a problem and two statements numbered I and II giving certain information. You have to decide if the information given in the statements is sufficient for answering the problem. Indicate your answer as (a) if the data in the statement I alone is sufficient to answer the question; (b) if the data in the statement II alone is sufficient to answer the question; (c) if the data either in I or II alone are sufficient to answer to question; (d) if the data even in both the statements together are not sufficient to answer the question; (e) if the data in both the statement together are needed.

From both the statements together, we conclude that the price of the flat is Rs.30,00,000. So Raj had to pay Rs 20,00,000 more.
Thus both I and II are required.