GMAT考试历年全真试题二(1)

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what is the value of n?

(1) n is even.
(2) n is a multiple of 3.

5. what is the value of x?

(1)2x+1=0
(2) (x+1)2=x2



6. in the figure above, what is the length of ad?

(1) ac=6
(2) bd=6

7. a retailer purchased a television set for x percent less than its list price, and they sold for y percent less than its list price. what was the list price of the television set?

(1) x=15
(2) x-y-6

8. is x2 greater than x?

(1) x2 is greater than 1.
(2) x is greater than -1.

9. what is the value of ?

(1)
(2) r+s=10

10. if x, y, and z are numbers, is z=18?

(1) the average (arithmetic mean) of x, y. and z is 6.
(2) x=-y



11. the circular base of an above-ground swimming pool lies in a level yard and just and just touches two straight sides of a fence at points a and b as shown in the figure above, point c is on the ground where the two sides of the fence meet. how far from the center of the pool s base is point a?

(1) the base has area 250 square feet.
(2) the center of the base is 20 feet from point c.

12. in 1979 mr. jackson bought a total of n shares of stock x and mrs. jackson bought a total of 300 shares of stick x. if the couple held all of their respective shares throughout 1980, and mr. jackson s 1980 dividends on his n shares totaled $150, what was the total amount of mrs. jackson s 1980 dividends on her 300 shares?

(1) in 1980 the annual dividend on each share of stock x was $0.75
(2) in 1979 mr. jackson bought a total of 200 shares of stock x.

14. what is the value of ?



15. an infinite sequence of positive integers is called an "alpha sequence" if the number of even integers in the sequence is finite. if sis an infinite sequence of positive integers, is s an alpha sequence?

(1) the first ten integers in s are even.
(2) an infinite number of integers in s are odd.

16. if xy>0, does (x-1)(y-1)=1?

(1) x+y=xy
(2) x=y

17. after winning 50 percent of the first 20 games it played. team a won all of the remaining games it played. what was the tota

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