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 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.  What is the equation of a circle of radius 6 units centered at (3, 2)?

 A)  x2 + y2 + 6x – 4y = 23 B)  x2 + y2 - 6x + 4y = 23 C)  x2 + y2 + 6x + 4y = 23 D)  x2 + y2 - 6x – 4y = - 23 E)  x2 + y2 - 6x – 4y = 23

2.  How many 3 digit positive integers exist that when divided by 7 leave a remainder of 5?

 A) 128 B) 142 C) 143 D) 141 E) 129

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.  The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers?

 A) 4 B) 5 C) 3 D) 3.5 E) 0.5

5.  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

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