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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.  The arithmetic mean of the 5 consecutive integers starting with 's' is 'a'. What is the arithmetic mean of 9 consecutive integers that start with s + 2? A) 2 + s + a B) 2 + a C) 2s D) 2a + 2 E) 4 + a    2.  If the sum of the interior angles of a regular polygon measures up to 1440 degrees, how many sides does the polygon have? A) 10 sides B) 8 sides C) 12 sides D) 9 sides E) None of these    3.  If 10, 12 and 'x' are sides of an acute angled triangle, how many integer values of 'x' are possible? 7 12 9 13 11    4.  If both 112 and 33 are factors of the number a * 43 * 62 * 1311, then what is the smallest possible value of a? A)  121 B)  3267 C)  363 D)  33 E)  None of the above    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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