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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.

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

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

A cube of side 5cm is painted on all its side. If it is sliced into 1 cubic centimer cubes, how many 1 cubic centimeter cubes will have exactly one of their sides painted?

	A) 9
	B) 61
	C) 98
	D) 54
	E) 64

Data Sufficiency : A set S contains the following elements: {7, 11, 15, 19, 23, x}. What is the value of x? All numbers used are real numbers.

(1) The elements are in arithmetic progression
(2) x is prime

This data sufficiency problem consists of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements, plus your knowledge of mathematics and everyday facts (such as the number of days in a leap year or the meaning of the word counterclockwise), you must indicate whether -

	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.

A poultry farm has only chickens and pigs. When the manager of the poultry counted the heads of the stock in the farm, the number totaled up to 200. However, when the number of legs was counted, the number totaled up to 540. How many chickens were there in the farm?

	A) 70
	B) 120
	C) 60
	D) 130
	E) 80


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