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190310
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A shop sold 10 sets of TV in a week. What is the median of the daily sales?
1: At least 1 TV set was sold every day.
2: At most two TVs were sold every day.
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190310
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Eight apples and three peaches cost twice as much as three apples and four peaches. What is the ratio of the price of a peach to that of an apple?
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190310
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Which of the following options satisfy $$x^{-9}-x^{-8} >0$$?
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190310
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What is the unit digit number of ?
1: k can be divided by 10.
2: k can be divided by 4.
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190310
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Five numbers are chosen randomly from 1 to 20 (boundaries are included). What's the probability that the five numbers include both 10 and 20?
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190310
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$$ax^2+bx+c=0$$ Does the equation have at least one solution?
1:a > 0
2:c < 0
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190310
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The relationship between a store's profit y and sales x is
What's the sales volume of this week?
1: This week's sales were three more than that of the last week.
2: This week's profit was $30 more than that of the last week.
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190310
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The hexagon ABFCDE is composed of two equilateral triangles, triangle ADE and triangle BCF, and a rectangle ABCD. The equilateral triangle has a side length of 12. In the rectangular ABCD, AB = 30. What is the length of line EF?
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190310
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A community committee was composed of six people, three men and three women. This committee was randomly selected from seven men and seven women. What is the number of different composition schemes?
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190310
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Line AC and line BC are tangent to circle O at A and B respectively. What is the radius of the circle O?
1：∠C=60°
2：AC=10
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190310
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How is $$(x-1)^2 \geq 0$$ represented on the number axis?
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190310
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p,s,t are prime numbers. $$p^3s^3t^3$$=？
1：$$p^4st=1456$$
2：t=13
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190310
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Is |x|+|y|>|x+y|？
1：xy<0
2：x>y
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190310
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CD is orthogonal to AD. CD=1. AB=?
1：AC =2
2：AB=BC
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190310
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160 cards are given to m children (m≥2). Each person can receive the same number of cards. What's the possible value of m?
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190310
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x/y=?
1:2x-y=20
2:$$x^2 = y^2$$
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190310
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Is the quadrilateral ABCD rectangular? AB=5, BC=12.
1: The length of the diagonal AC is 13.
2: AB=CD, AD=BC
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190310
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$$(\sqrt{5} - \sqrt{3})^2$$ = ?
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190310
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A positive integer x is a multiple of 5. What is the remainder of x when divided by 6?
1: The remainder of x is 3 when divided by 12.
2: The remainder of x is 3 when divided by 4.
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190310
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What is the largest prime factor of 2205?
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