题目列表

序号 题目内容
291 Is the integer x a 3-digit integer? 1. x is the square of an integer. 2. 90 < x < 150
292 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.
293 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.
294 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.
295 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.
296 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 $$y = 4$$
297 If a and b are integers, and b > 0, does $$\frac{a-1}{b+1}=\frac{a}{b}$$ 1.$$a = b – 4$$ 2.$$a = –b$$
298 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.
299 Is the integer p divisible by 5 ? 1.p is divisible by 10. 2.p is not divisible by 15.
300 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.
301 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.
302 Is x an integer? 1.$$x^{3} = 8$$ 2.$$x = \sqrt{4}$$
303 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.
304 If p, r, and s are consecutive integers in ascending order and x is the average (arithmetic mean) of the three integers, what is the value of x ? 1.Twice x is equal to the sum of p, r, and s. 2.The sum of p, r, and s is zero.
305 If m and n are integers, what is the value of m + n ? 1.$$(x + m)(x + n) = x^{2} + 5x + mn\ and\ x ≠ 0.$$ 2.$$mn = 4$$
306 In the figure above, RST is a triangle with angle measures as shown and PRTQ is a line segment. What is the value of x + y ? 1.s = 40 2.r = 70
307 If R, S, and T are points on a line, and if R is 5 meters from T and 2 meters from S, how far is S from T ? 1.R is between S and T. 2.S is to the left of R, and T is to the right of R.
308 Is n equal to zero? 1.The product of n and some nonzero number is 0. 2.The sum of n and 0 is 0.
309 On a map,$$\frac{1}{2}$$ inch represents 100 miles. According to this map, how many miles is City X from City Y ? 1.City X is 3 inches from City Y on the map. 2.Cities X and Y are each 300 miles from City Z.
310 What is the remainder when the positive integer n is divided by 5 ? 1.When n is divided by 3, the quotient is 4 and the remainder is 1. 2.When n is divided by 4, the remainder is 1.

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