190124
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The positive integer p is less than 50. When p is divided by 7, the remainder is 1. p=?
1: When p is divided by 9, the remainder is 7.
2: When p is divided by 4, the remainder is 3.
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190124
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Candies were given to n students (n > 5). Did at least two students get the same amount of candy?
1: The total number of sweets is greater than .
2: The total number of sweets is greater than $$\frac{n^{2}-n}{2}$$.
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190124
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A cuboid was filled with 10 liters of water. What's the height of the water?
1: The height of the cuboid is 5 m.
2: The box is a cube.
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190124
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AB=9, BC=4. A,B,C are not collinear. Which of the following may be the distance of AC?
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190124
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A company investigated whether 500 people agree with events A and B. What were the numbers of people who only agree with A, only agree with B, and agree with A and B, respectively?
1: There were 300 people who agree with A.
2: 80 people agreed on both events.
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190124
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4 < $$x^{2}$$ -2x +1 < 16,How many integers x satisfy the inequality?
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190124
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The price of clothes in stores has gone up. Thus, the profit has increased from 15% of the cost to 40%. The cost of clothes does not change. The current price of each cloth is $70. What is the original price?
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190124 还原机经选题: 文字题&几何
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The x-intercept and y-intercept of line l are $$x_c$$ and $$y_c$$, respectively. What is the slope of line ?
1:$$x_c$$$$y_c$$>0
2:(1,1) is in the line .
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190124
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Which of the following options has the largest prime factor?
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190124
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What`s the unit digit of $$2^{345}$$+1?
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190124
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In sector AOB, ∠O=45°. The radius of the sector is 4. BC is perpendicular to OA. What is the area of the shadow?
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190124
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The time for machine A to produce 1000 sheets of paper is 1/2 of the time required for machine B to complete the same work. When machine A and machine B work at the same time, it takes 3 minutes to produce 1000 sheets of paper. If machine B works alone, how long does it take to produce 2000 sheets of paper?
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190124 还原机经选题: 文字题&几何
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There are eight numbers in a sequence. The minimum value is 5 and the range is 9. What is the ratio of the difference between the maximum value and the minimum value of the average value of the sequence and the range of the sequence?
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190124 还原机经选题: 文字题&几何
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Two circles are drawn with the two long sides of the rectangle ABCD as the diameter. The centers of the circles are E and F. EF intersects two circles at G and H, respectively. What is the circumference of the rectangle ABCD?
1:AE=9
2:EG=GH
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190124
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The stem of a plant is bent or straight. The flowers of the plant are only yellow or blue. The probability of a plant branch bending with blue flower is 3 / 32. The probability of a plant with straight branches and yellow flowers is 7 / 32. What's the probability of this kind of plant producing blue flowers?
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190124 还原机经选题: 文字题&几何
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The pulley has three wheels A, B and C. Circle A has a radius of 2. Circle B has a radius of 4. Circle C has a radius of 6. If circle A rotates 1.5 turns counterclockwise, how many turns does circle B and circle C rotate in total?
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190124
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Which of the following correctly describes the region that satisfies the inequality group
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190124
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How many factors does 441 have?
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190124 还原机经选题: 文字题&几何
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Three different letters are randomly from the 20 letters of A-T. How many kinds of possibilities are there for choosing three discontinuous letters?
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190124 还原机经选题: 文字题&几何 730高分节-数学测试
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There are 21 students in a class. Does the average score of all the students in this class exceed 80?
1: The minimum score is 78.
2: The median is 91.
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