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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.
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
2.
A wheel of a car of radius 21 cms is rotating at 600 RPM. What is the speed of the car in km/hr?
A) 79.2 km/hr
B) 47.52 km/hr
C) 7.92 km/hr
D) 39.6 km/hr
E) 3.96 km/hr
3.
If the price of gasoline increases by 25% and Ron intends to spend only 15% more on gasoline, by what % should he reduce the quantity of petrol that he buys?
A) 10%
B) 12.5%
C) 8%
D) 12%
E) 6.66%
4.
The arithmetic mean of the 5 consecutive integers starting with 's' is 'a'. What is the arithmetic mean of 9 consecutive integers that start with s + 2?
A) 2 + s + a
B) 2 + a
C) 2s
D) 2a + 2
E) 4 + a
5.
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)
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