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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.
Robin earns 30% more than Erica. Charles earns 60% more than Erica. How much % is the wages earned by Charles more than that earned by Robin?
A) 23%
B) 18.75%
C) 30%
D) 50%
E) 100%
2.
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
3.
The average weight of a group of 30 friends increases by 1 kg when the weight of their football coach was added. If average weight of the group after including the weight of the football coach is 31kgs, what is the weight of their football coach in kgs?
A) 31 kg
B) 61 kg
C) 60 kg
D) 62 kg
E) 91 kg
4.
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
5.
What is the equation of a circle of radius 6 units centered at (3, 2)?
A) x2 + y2 + 6x – 4y = 23
B) x2 + y2 - 6x + 4y = 23
C) x2 + y2 + 6x + 4y = 23
D) x2 + y2 - 6x – 4y = - 23
E) x2 + y2 - 6x – 4y = 23
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