a) Statement (1) ALONE is sufficient, but statement (2) is not sufficient.
b) Statement (2) ALONE is sufficient, but statement (1) is not sufficient.
c) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
d) EACH statement ALONE is sufficient.
e) Statements (1) and (2) TOGETHER are NOT sufficient.

Question 1: The numbers drawn by a state lotery are 2, 3, a, b, 6, 7. What is the number a, if:
Statement (1): the average of all numbers is 5.
Statement (2): a < b
a  b  c  d  e

Question 2: Does (x + a)² = y²?
Statement (1): x = y - a
Statement (2): x = y + a
a  b  c  d  e

Question 3: If y = mx + n is a line in the (x, y) plane, what is the slope m?
Statement (1): y(2) = 2
Statement (2): y(3) = -4
a  b  c  d  e

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