GMAT –Quantitative (Data Sufficiency) Sample Questions Set-4

Categories: GMAT (Graduate Management Admission Test)

Question.6. The only gift certificates that a certain store sold yesterday were worth either $100 each or $10 each. If the store sold a total of 20 gift certificates yesterday, how many gift certificates worth $10 each did the store sell yesterday?

 

(1) The gift certificates sold by the store yesterday were worth a total of between $1,650 and $1,800.

(2) Yesterday the store sold more than 15 gift certificates worth $100 each.

 

Answer: (a)

 

Question.7. Is the standard deviation of the set of measurements X1, X2, X3, X4,..., X20 less than 3?

 

(1) The variance for the set of measurements is 4.

(2) For each measurement, the difference between the mean and that measurement is 2.

 

Answer: (d)

 

Question.8. Is the range of the integers 6, 3, y, 4, 5, and x greater than 9?

 

(1) y>3x

(2) y>x>3

Answer: (c)

 

Question.9. Is 5x+2/25<1 ?

 

(1) 5x<1?

(2) x<0

 

Answer: (d)

 

Question.10. Of the companies surveyed about the skills they required in prospective employees, 20 percent required both computer skills and writing skills. What percent of the companies surveyed required neither computer skills nor writing skills?

 

(1) Of those companies surveyed that required computer skills, half required writing skills.

(2) 45 percent of the companies surveyed required writing skills but not computer skills.

 

Answer: (c)

 

Question.11. What is the value of w+q?

 

(1) 3w=3-3q

(2) 5w+5q=5

 

Answer: (d)

 

Question.12. If X and Y are points in a plane and X lies inside the circle C with center O and radius 2, does Y lie inside circle C?

 

(1) The length of line segment XY is 3.

(2) The length of line segment OY is 1.5.

 

Answer: (b)

 

Question.13. Is x>y?

(1) x = y +2

(2) x/2=y-1

 

Answer: (a)

 

Question.14. If Paula drove the distance from her home to her college at an average speed that was greater than 70 kilometers per hour, did it take her less than 3 hours to drive this distance?

 

(1) The distance that Paula drove from her home to her college was greater than 200 kilometers.

(2) The distance that Paula drove from her home to her college was less than 205 kilometers.

 

Answer: (b)

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