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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.
How many diagonals does a 63-sided convex polygon have?
A) 3780
B) 1890
C) 3843
D) 3906
E) 1953
2.
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
3.
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
4.
If m, s are the average and standard deviation of integers a, b, c, and d, is s > 0?
(1) m > a
(2) a + b + c + d = 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.
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
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