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191020
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Is |x-y+z|>|x+y-z|?
(1)x
(2)x=0
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191020
|
A person buys a commodity for 120$, and sells it at a 20% discount of the original sell price. The profit is 48$. What is the original sell price?
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191020
|
The company given a survey about the number of employees participating in meeting and picnic. 70 people participated in both and 120 people participated in only one. There were 50 more people participating in meeting than in picnic. How many people participated in meeting?
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191020
|
(0.00048 * 10 ^ x) / 1920000 is less than 2 * 10 ^ 5. x is a positive integer. What is the maximum value of x?
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191020
|
There are n books, of which 40 are science fiction, the rest are non-science fiction, 50 are hardcover, the rest are not hardcover, 30 are hardcover science fiction, what is the minimum value of n?
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191020
|
1357911131517192123 .... What is the 110th number?
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191020
|
As shown in the figure, there is a container with an isosceles triangle on the side，the bottom side of the isosceles triangle is 5 meters long, there is water in it, the water is 3 meters wide, and the container is 3 meters high. What is the value of h？
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191020
|
The portion of taxable income no more than 10,000 is charged 10%, the portion of (10000, 20000] is charged 15%, and the portion of more than 20,000 is charged 21%. What is the taxable income this month?
(1). The taxes is 9,000 this month
(2). This month's average tax rate is 18%
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191020
|
Given x = 3-√2, which of the following equations has a value of 0 when k is an integer?
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191020
|
There are two groups of P1 P2 P3 P4 P5 and A1 A2 A3 A4 A5, which are 5 masters and 5 apprentices one-to-one matching, how many matching methods are there?
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191020
|
There are 25 legislators, of which n people form a group. Each of these n people sends a report to the rest of the non-team members. These non-team members will write a letter to reply to each report. How many reports and letters are there?
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191020
|
Is x^2 a factor of y^2?
(1)x^3 is a factor of y^3
(2)x^4 is a factor of y^4
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191020
|
A survey of 100 people watching TV programs (sports, news and others) shows that 60 people watch sports programs, 35 people watch news programs, 50 people watch other programs, 10 people watch all programs, 5 people watch neither, 4 people watch sports programs and news programs only, 10 people watch news programs and other programs only. How many people watch other programs only?
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191020
|
Is n divisible by 3?
(1)n is divisible by m(m^2-1)
(2)n is divisible by m^2(m-1)
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191020
|
If $$\sqrt { x ^ { 2 } + y ^ { 2 } } = x + y$$, xy=?
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191020
|
x is 30% more than y, and y is 40% less than z, What was the percent decrease from z to x?
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191020
|
In the forest, 80 rabbits were caught for the first time, and then marked and put back. For the second time 80 rabbits were caught again, and we found that five of them were labeled (every rabbit in the forest has the same probability of being caught). How many rabbits are there in the forest?
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191020
|
Is 3b+a odd?
(1)b=3a+3
(2)a-b=odd
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191020
|
n. k are different positive integers, and n+k<8. How many different values are there to find the product of nk?
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191031
|
In the figure above, what is the value of (R50, C3) ?
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