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300难题 If k$$S_n$$ is defined to be the product of (n + k)(n - k + 1) for all positive integers k and n,which of the following expressions represents k+1$$S_{n+1}$$ ?
If k is negative, which of the following must also be negative?
190113 还原机经选题: 文字题&几何 The product of x-intercept and y-intercept of a line is positive. Which of the following options does the slope k of the line satisfy?
190321 The surface area of cube A is K times of that of cube B. What is ratio of the volume of cube A to that of cube B?
OG21 OG2022 If k and n are positive integers such that n > k, the n k! + （n - k） • （k - 1）! is equivale nt to which of the following?
OG15 OG16 OG17 OG18 OG19 OG20 OG2022 Last year the price per share of Stock X increased by k percent and the earnings per share of Stock X increased by m percent, where k is greater than m. By what percent did the ratio of price per share to earnings per share increase, in terms of k and m?
模考带练机经题 (4.6*$$10^{m}$$)*(2.3*$$10^{k}$$)=1.058*$$10^{t}$$ Express t in terms of m and k
OG12 OG15 OG16 OG17 GMAT、gmat题库、gmat模考、gmat考满分The circle with center C shown above is tangent to both axes. If the distance from 0 to C is equal to k, what is the radius of the circle, in terms of k ?
PREP07 Test 2 If x = kc and y = kt, then y - x =
If x = kc and y = kt, then y - x =
If f is the function defined for all k by f(k) = $$\frac{k^5}{16}$$, what is f(2k) in terms of f(k)?
At the end of each year, the value of a certain antique watch is c percent more than its value one year earlier, where c has the same value each year. If the value of the watch was k dollars on January1, 1992, and m dollars on January 1, 1994, then in terms of m and k, what was the value of the watch, in dollars, on January 1, 1995 ?
Magoosh When positive integer k is divided by 6 the remainder is 3. Which of the following CANNOT be an even integer?
Ready4

[GMAT-Math-7725-q]

The circle with center C shown above is tangent to both axes. If the distance from O to C is equal to k, what is the radius of the circle, in terms of k?
300难题 If $$ k\neq 0$$ and k- $$\frac{3-2k^{2}}{k}$$ =$$\frac{x}{k}$$ , then x=
OG16 OG17 OG18 If $$ k^2 = m^2,$$ which of the following must be true?
Magoosh M is a positive two-digit number. When the digits are reversed, the number is N. If K = M + N, which of the following is true?
190113 The size range of a batch of parts is 2.5±0.03 mm. One of these parts is randomly selected, and the size of the part is k. Which inequality does k satisfy?
191031 If k=0.0004, which of the following has the greatest value?
Magoosh If the average (arithmetic mean) of seven consecutive integers is k + 2, then the product of the greatest and least integer is