|
Manhattan
|
A retailer bought a shirt at wholesale and marked it up 80% to its initial retail price of $45. By how many more dollars does he need to increase the price to achieve a 100% markup?
|
|
Manhattan
|
Let Set T = {2, 4, 5, 7}. Which of the following values, if added to Set T, would most increase the standard deviation of Set T?
|
|
Manhattan
|
If x is an integer, then x(x – 1)(x – k) must be evenly divisible by three when k is any of the following values EXCEPT
|
|
Manhattan
|
When the positive integer x is divided by 9, the remainder is 5. What is the remainder when 3x is divided by 9?
|
|
300难题
|
Ifn =$$p^{2}$$and p is a prime number greater than 5,what is the units digit of $$n^{2}$$ ?
|
|
181215
|
f(x)=-2$$(x-5)^{2}$$+3. What is the maximum value of f(x)?
|
|
181215
|
What's the hundred-digit number of 13467*$$\frac{10^{6}-10^{4}}{10^{5}}$$？
|
|
181215 KMFPS
|
If n is a positive integer, what could the unit digit of n(n+1)(n+2)(n+3)(n+4)?
|
|
第一期
|
If n is a positive integer, what is the remainder when $$3^{8n+3}+2$$ is divided by 5？
|
|
190321
|
In a rectangular plane coordinate system, the equation of circle O is $$x^2+y^2=10$$. How many points are there on circle O whose abscissa and ordinate are integers?
|
|
190124 还原机经选题: 文字题&几何
|
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?
|
|
190310
|
The product of three positive numbers,$$2^4$$,x,$$5^3$$ , is a multiple of $$10^4$$. What is the minimum value of x?
|
|
200301
|
If 457*12=N, then 1 is added to which of the five numbers--4,5,7,1,2 such that difference between the new result and N is more than 2000?
|
|
191222 还原机经选题: 数论&代数
|
If 12! is a multiple of $$(4!)^n$$ and not a multiple of $$(4!)^{n+1}$$, what is the value of n ?
|
|
191222 KMFPS
|
What is the remainder when $$3^{50}$$ is divided by 4？
|
|
191031
|
A wall is painted with at least one of six different colors-red, yellow, blue, green, pink, and white. How many ways can white be used?
|
|
191020
|
What is the units digit of $$2^{345} +1$$?
|
|
191020
|
What is the value of the difference between the mean of the smallest thirty positive integers and that of the smallest thirty non-negative integers？
|
|
190215
|
The area of the semicircle in a door is 1/3 of that of the rectangle. What is the ratio of the height of rectangle to the length of semicircle?
|
|
190207
|
The solutions of the equation $$x^{2}$$+mx+n=0 are 2 and 1. m-n=?
|