190113 还原机经选题: 文字题&几何
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According to the picture, Quadrilateral ABCD is inscribed in a circle and ∠A = 70°. ∠C=?
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190113
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|2x-3| > 6 is equivalent to which of the following options?
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190113 还原机经选题
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(($$\frac{1}{3})^{2}+\frac{1}{3}*\frac{1}{4}$$)*(($$\frac{1}{3})^{2}-\frac{1}{3}*\frac{1}{4}$$)=?
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190113
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$$n^{x}p^{y}r^{z}$$ < 100. If n, p, r, x, y, and z are positive integers. Are n, p, and r prime numbers?
(1)x+y+z=5
(2)npr=30
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190113
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Due to bad weather, it took 45 minutes longer for Coco to drive 300 miles than usual. Her driving speed was 20 miles/h slower than usual. What is her normal driving speed when the weather is mild?
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190113
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The equation $$x^{2}$$+(m+4)x- $$(n+2)^{4}$$ has only one solution. mn=?
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190113 还原机经选题
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List multiples of 3 except 0 in a sequence: 369121518... 300. What is the 72nd digit in this sequence?
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190113 还原机经选题: 文字题&几何
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According to the picture, if quadrilateral ABCD and quadrilateral EFGH are rectangles, in terms of x, y, and z, what is the value of $$S_ABCD$$-$$S_EFGH$$
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190113 还原机经选题: 文字题&几何
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The range of sales of a commodity in the 12 months of 1999 was 240, and the range of sales in the 12 months of 2000 was 320. What is the minimum possible range of sales in the 24 months between 1999 and 2000?
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190113 还原机经选题
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A and B are two-digit positive integers. The tens digit of A is 3. The unit digit of B is 5. A(B+1)=2016. 5A+2B=?
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190113 还原机经选题: 文字题&几何
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There are 21 employees in a company. According to the following conditions, can it be determined that the median annual salary of these people is less than $40,000?
1: The annual salaries of 12 people are less than $37,000.
2: The annual salaries of 9 people are greater than $41,000.
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190113 还原机经选题
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5A3 and 8B6 are all three-digit integers. The sum of these two numbers can be divided by 9. What is the possible maximum value of A + B?
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190113 还原机经选题: 文字题&几何
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According to the picture, O is the center of the circle, and AC=BO=r. Which of the option describe the relationship between y and x?
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190113 还原机经选题: 文字题&几何
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There are 23 people in the Planning Department, and A people in the Finance Department of a company. The total number of people of these two departments is B. How many people belong to both departments at the same time?
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190113
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$$x^{3}$$=-3,$$x^{2}$$=?
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190113
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If n is odd, f(n)=$$2^{n}$$. If n is even, f(n)=$$3^{n}$$. What is the value of f(n) when n=$$2^{10}$$?
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190113
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A group of people returned to the origin from the destination in batches. 30% returned in the first round, and half of the rest returned in the second round. What percentage of the total number of people returned in these two rounds?
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190113 还原机经选题: 文字题&几何
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The equation of a line is dx-by+c=0 (b≠0). What is the slope of the line?
(1)b+d = 10
(2)b/d = 4
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190113 还原机经选题: 文字题&几何
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There are 64 identical cubes with side of 1. Only one face of each cube is painted. These 64 cubes will be put together into a big cube. What's the maximum proportion of painted sides on the surface of this big cube?
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190113
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A sequence contains 11 numbers. Is the median of the sequence greater than 50?
(1) Only 5 numbers are less than 49.
(2) Only 5 numbers are greater than 49.
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