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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.
Which of the following inequalities have a finite range of values of "x" satisfying them?
A) x2 + 5x + 6 > 0
B) |x + 2| > 4
C) 9x - 7 < 3x + 14
D) x2 - 4x + 3 < 0
E) (B) and (D)
2.
The average wages of a worker during a fortnight comprising 15 consecutive working days was $ 90 per day. During the first 7 days, his average wages was $ 87/day and the average wages during the last 7 days was $ 92 /day. What was his wage on the 8
th
day?
A) $ 83
B) $ 92
C) $ 90
D) $ 97
E) $ 104
3.
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group?
A) 22 years
B) 30 years
C) 44 years
D) 32 years
E) None of these
4.
In the first 1000 natural numbers, how many integers exist such that they leave a remainder 4 when divided by 7, and a remainder 9 when divided by 11?
A) 11
B) 14
C) 12
D) 13
E) 10
5.
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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