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Home > Self-Study Quizzes > Quiz GMAT Math practice - (5/36 questions - random) GMAT practice questions.  Once you complete the quiz you will see your score and explanation of the correct answer.  1.  Data Sufficiency : Is y = 3? (1) (y - 3)(x - 4) = 0 (2) (x - 4) = 0 A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked. B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked. C) BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked. D) EACH statement ALONE is sufficient to answer the question asked. E) Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.    2.  Which of the following inequalities have a finite range of values of "x" satisfying them? A) x2 + 5x + 6 > 0 B) |x + 2| > 4 C) 9x - 7 < 3x + 14 D) x2 - 4x + 3 < 0 E) (B) and (D)    3.  A wheel of a car of radius 21 cms is rotating at 600 RPM. What is the speed of the car in km/hr? A) 79.2 km/hr B) 47.52 km/hr C) 7.92 km/hr D) 39.6 km/hr E) 3.96 km/hr    4.  If the mean of numbers 28, x, 42, 78 and 104 is 62, then what is the mean of 128, 255, 511, 1023 and x? A) 395 B) 275 C) 355 D) 415 E) 365    5.  The sum of the fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first 15 terms of the arithmetic progression? A) 300 B) 120 C) 150 D) 170 E) 270

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