|
323
|
If x and y are positive integers, what is the value of $$\sqrt{x}+\sqrt{y}$$ ?(1) x + y = 15(2) $$\sqrt{xy}= 6$$
|
|
324
|
A certain truck uses $$\frac{1}{12}$$ + $${k}{v}^{2}$$ gallons of fuel per mile when its speed is v miles per hour, where k is a constant. At what speed should the truck travel so that it uses $$\frac{5}{12}$$ gallon of fuel per mile?(1) The value of k is $$\frac{1}{10800}$$(2) When the truck travels at 30 miles per hour, it uses $$\frac{1}{6}$$ gallon of fuel per mile.
|
|
325
|
In the figure shown,is $$\ell1$$ || $$\ell2$$?
(1) r=s
(2) t=u
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326
|
What is the volume of the right circular cylinder X?
(1) The height of X is 20.
(2) The base of X has area 25π.
|
|
327
|
If r and s are positive integers, is r + s even?
1.r is even.
2.s is even.
|
|
328
|
In the figure above, ∆PQR has angle measures as shown. Is x < y ?
1.PQ = QR
2.PR > QR
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|
329
|
If S is a set of odd integers and 3 and –1 are in S, is –15 in S ?
1.5 is in S.
2.Whenever two numbers are in S, their product is in S.
|
|
330
|
Is the integer x a 3-digit integer?
1. x is the square of an integer.
2. 90 < x < 150
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|
331
|
If the 1st term of a sequence is 0 and the 2nd term is 1, is the 5th term 2 ?
1.Each odd-numbered term is either 0 or 2.
2.The 3rd term is 2.
|
|
332
|
Is the sum of four particular integers even?
1.Two of the integers are odd and two are even.
2.The average (arithmetic mean) of the four integers is an integer.
|
|
333
|
If a school district paid a total of $35 per desk for x desks and a total of $30 per table for y tables, what was the total amount that the district paid for these desks and tables?
1.The total amount the district paid for the y tables was $900.
2.x = 90, and the total amount the district paid for the x desks was 3.5 times the total amount the district paid for the y tables.
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|
334
|
Three children inherited a total of X dollars. If the oldest child inherited $7,000 more than the youngest child, and the youngest child inherited $9,000 less than the middle child, what is the value of X ?
1.The middle child inherited $27,000.
2.The youngest child and the middle child together inherited a total of $45,000.
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335
|
If xyz ≠ 0, what is the value of $$\frac{x^{4}z^{2}}{z^{2}y^{2}}$$
1.$$y^{2}=x^{4}$$
2.$$x = 2$$ and $$y = 4$$
|
|
336
|
If a and b are integers, and b > 0, does $$\frac{a-1}{b+1}=\frac{a}{b}$$
1.$$a = b – 4$$
2.$$a = –b$$
|
|
337
|
In a sequence of numbers in which each term is 2 more than the preceding term, what is the fourth term?
1.The last term is 90.
2.The first term is 2.
|
|
338
|
Is the integer p divisible by 5 ?
1.p is divisible by 10.
2.p is not divisible by 15.
|
|
339
|
The 9 squares above are to be filled with x `s and o `s, with only one symbol in each square. How many of the squares will contain an x ?
1.More than $$\frac{1}{2}$$ of the number of squares will contain an o.
2.Each of the 4 corner squares will contain an x.
|
|
340
|
Is the sum of two integers divisible by 10 ?
1.One of the integers is even.
2.One of the integers is a multiple of 5.
|
|
341
|
Is x an integer?
1.$$x^{3} = 8$$
2.$$x = \sqrt{4}$$
|
|
342
|
If a building has 6,000 square meters of floor space, how many offices are in the building?
1.Exactly $$\frac{1}{4}$$ of the floor space is not used for offices.
2.There are exactly 20 executive offices and each of these occupies 3 times as much floor space as the average for all of the remaining offices.
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