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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.
If both 11
2
and 3
3
are factors of the number a * 4
3
* 6
2
* 13
11
, then what is the smallest possible value of a?
A) 121
B) 3267
C) 363
D) 33
E) None of the above
2.
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
3.
The length of a rope, to which a cow is tied, is increased from 19m to 30m. How much additional ground will it be able to graze? Assume that the cow is able to move on all sides with equal ease.
A) 1696 sq m
B) 1694 sq m
C) 1594 sq m
D) 1756 sq.m
E) 1896 sq.m
4.
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
5.
How many diagonals does a 63-sided convex polygon have?
A) 3780
B) 1890
C) 3843
D) 3906
E) 1953
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