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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

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

Vertices of a quadrilateral ABCD are A(0, 0), B(4, 5), C(9, 9) and D(5, 4). What is the shape of the quadrilateral?

	A) Square
	B) Rectangle but not a square
	C) Rhombus
	D) Parallelogram but not a rhombus
	E) Kite

Set A contains all the even numbers between 2 and 50 inclusive. Set B contains all the even numbers between 102 and 150 inclusive. What is the difference between the sum of elements of set B and that of set A?

	A) 2500
	B) 5050
	C) 11325
	D) 6275
	E) 2550

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


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