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181215
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x,y≠0. Is $$\frac{x}{y}$$ +$$\frac{y}{x}$$ ≥ 2？
1：x < y
2：xy > 0
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181215
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What is the number of zeros after the last nonzero number of ($$10^{m}$$+$$10^{5}$$)* ($$10^{n}$$+$$10^{6}$$)=?
1: m ≥ 5
2: n ≥ 6
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181215
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k,m,p are integers. Is km+p odd?
1: m+p is even.
2: k+p is odd.
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181215
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Someone ate a meal and paid a total of $1000. The items to be paid were meals, drinks, tips and taxes. How much this person paid for tips?
1: The taxes equaled to 1% of the price of meals and drinks.
2: The tip is 2% of price of the meals, drinks and taxes.
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181215
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Is am+b odd? (a,b,m are integers.)
1: a+b is odd.
2: a+m is even.
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181215
|
Two drivers, A and B, drive at the same direction and their uniform speed on the same road. At a certain time, the distance between A and B is 10miles. How long does it take B to catch up with A from that time?
1: A is 10mph slower than the highest speed while B is 10mph faster than the highest speed
2: the driving speed of B is 65mph.
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181215
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|x+y|=|x-y|. Is x-y > 0？
1：x+y < 0
2：x+y > x-y
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181215
|
Does the median belong to [15000,16000]?
1: More than half of the data are less than 16000.
2: At least half of the data are greater than 15000.
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181215
|
Belly leaved home at 8:30 in the morning and arrived at the company at 11:30. How far is it from home to the company?
1: He stopped twice on the way.
2: The average speed while driving was 70 km/h.
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181215
|
The numbers in the set are all multiples of n, for example {-2n, -n, 0, n, 2n, 3n,....}. Can we determine the value of n when n > 0?
1: - 7 is in the set.
2: 49 is in the set.
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181215
|
f(x)=$$\frac{z}{x}$$.The definition domain of $$x_1$$,$$x_2$$ is the range of f(x). Is f$$(x_1)$$ less than f$$(x_2)$$ when $$x_1$$<$$x_2$$?
1：$$x_1$$>0
2：z > 0
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190124
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CD is orthogonal to AD. CD=2. AB=?
1：AC =4
2：AB=BC
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第一期
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If n is a multiple of 5, what is the remainder when the positive integer n is divided by 6?
(1) The remainder when n is divided by 4 is 3.
(2) The remainder when n is divided by 12 is 3.
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第一期
|
The temperature of a small hemispherical container was very high. Thus, it was put into a bigger hemispherical container which was filled with water to accelerate the cooling of this small hemispherical container. What was the volume of water left in the big container?
(1) The diameter of the large hemisphere is twice that of the small one.
(2) The volume of the large hemisphere is 8 times that of the small hemisphere.
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190124
|
Is x>0？
1：$$x^{3}$$ < $$x^{2}$$
2：$$x^{4}$$ < $$x^{3}$$
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190124 还原机经选题: 文字题&几何
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There is a cone container that contains some water (as shown in the figure). H = 4R. The water flows out at the speed of q. How long does all of the water flow out?
1: The distance between water surface and cone vertex is h.
2: The radius of the water surface is r.
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190603
|
According to the picture, what is the area of the shaded part?
(1)The length of arc AC= the length of chord AC +(π+8)
(2)The length of arc AC ：the length of chord AC = π：$$\sqrt{8}$$
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190603
|
Mary has been paying telephone bills monthly for 24 consecutive months. Is the average of 24 months of telephone bills greater than 50?
Condition 1: At least the monthly bill is greater than 48
Condition 2: At least more than half of the month's phone bill exceeds 51
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第一期
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If p and q are all integers, is p+q an odd integer?
(1) p is an even integer
(2) $$(p^2-q^2)(p^2+q^2)$$ is odd
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第一期
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Is $$\sqrt{x^6} = y^3$$ ?
(1)x=y
(2)x≥0
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