To answer the following questions, which of the information given in the Statements (A), (B), (C) and (D) or (1), (2), (3) and (4) below is/are necessary/ sufficient?
What is the sum of two numbers?
A. The bigger of these two numbers is 6 more than the smaller number.
B. 40% of the smaller number is equal to 30% of the bigger number,
C. The ratio between half of the bigger number and one-third of the smaller number is 2:1.

Options

A. Only B and C together are required
B. Only A and B together are required
C. Any two of A, B and C together are required
D. None of these

Answer

D