Question: What is the sum of 10 bank accounts?
(1) The median of the 10 bank accounts is $200,000.
(2) The average of the 10 bank accounts is $300,000.
(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: If 5xy – m + 9x2 + 4y2 = 15, what is the value of xy?
(1) x = 5
(2) m = (3x)2 + (2y)2
(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: AB, BC, and CA are the three edges of a triangle; is triangle XYZ isosceles?
(1) AB2 + BC2 = CA2
(2) AB + BC = 2·CA
(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: If m is a positive integer,is m a multiple of 55?
(1) m is multiple of 5
(2) m is multiple of 11
(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: If a cable is cut into three pieces of unequal lengths, what is the length of the longest of the pieces?
(1) The length of the shorter piece is 3 feet.
(2) The combined length of the shorter two pieces is 8 feet.
(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.
Take our free GMAT tests
GMAT test #1
10 GMAT problem solving and data sufficiency questions
GMAT test #2
10 GMAT problem solving and data sufficiency questions
GMAT test #3
10 GMAT problem solving and data sufficiency questions
GMAT test #4
10 GMAT problem solving and data sufficiency questions
Examples of difficult GMAT problems