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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.

For what values of 'k' will the pair of equations 3x + 4y = 12 and kx + 12y = 30 not have a unique solution?

	A) 12
	B) 9
	C) 3
	D) 7.5
	E) 2.5

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.

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

The average of 5 consecutive integers starting with m as the first integer is n. What is the average of 9 consecutive integers that start with m+2?

	A) m + 4
	B) n + 6
	C) n + 3
	D) m + 5
	E) n + 4

What is the radius of the incircle of the triangle whose sides measure 5, 12 and 13 units?

	A) 2 units
	B) 12 units
	C) 6.5 units
	D) 6 units
	E) 7.5 units


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