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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.

If the mean of numbers 28, x, 42, 78 and 104 is 62, then what is the mean of 128, 255, 511, 1023 and x?

	A) 395
	B) 275
	C) 355
	D) 415
	E) 365

What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?

	A) 897
	B) 164,850
	C) 164,749
	D) 149,700
	E) 156,720

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

For what range of values of 'x' will the inequality 15x -

> 1?

	A) x > 0.4
	B) x < 1/3
	C) -1/3 < x < 0.4, x > 15/2
	D) -1/3 < x < 0, x > 2/5
	E) x < -1/3 and x > 2/5

If the ratio of the sum of the first 6 terms of a G.P. to the sum of the first 3 terms of the G.P. is 9, what is the common ratio of the G.P?

	A) 3
	B) 1/3
	C) 2
	D) 9
	E) 1/9


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