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Ready4

If is an integer greater than zero, then is
For each positive integer n, the quantity $$S_n$$ is defined such that $$S_{n+2}=(S_n)^2-S_{n+1}$$. In addition, $$S_2=1$$ .In the table, select values for s1 and s4 that are jointly compatible with these conditions. Select only two values, one in each column.
Ready4

The sequence is defined such that for all integers :

If is a positive integer, is the sum of the first terms of the sequence greater than ?

(1)

(2)

190415 The radius of $$O_1$$ is R. The radius of $$O_2$$ is r. These two circles are tangent to each other and they are tangent to the quadrilateral ABCD. BD =?
Ready4

Is it true that ?

(1)

(2)

PREP07 Test 2 Each of the 105 students in a certain club is either a freshman, a sophomore, or a junior. How many of the students in the club are sophomores?(1) The ratio of the number of freshmen to the number of sophomores is 1 to 2. (2) The ratio of the number of freshmen to the number of juniors is 1 to 4.
PREP07 Test 2 Of the 20 people who each purchased 2 tickets to a concert, some used both tickets, some used only 1 ticket, and some used neither ticket. What percent of the tickets that were purchased by the 20 people were used by those people? (1) Of the 20 people, 10 used only 1 ticket.(2) Of the 20 people, 4 used neither ticket.
Ready4

Is to the right of on the number line?

(1) is nonnegative.

(2) is to the right of .
What is the ratio of x to y?(1) The ratio of x to 2y is 4 to 3.(2) The ratio of 3x to y is 8 to 1.
PREP07 Test 2 GMAT、gmat题库、gmat模考、gmat考满分In the coordinate plane above, what is the area of rectangular region MNRS ? (1) M has coordinates (2, 1). (2) N has coordinates (2, 5).
PREP07 Test 1 If the operation △ is one of the four arithmetic operations addition, subtraction, multiplication, and division, is (6 △ 2) △ 4 = 6 △ (2 △ 4) ?(1) 3 △ 2 > 3(2) 3 △ 1 = 3
Manhattan If $$5^ x = y$$, what is x?(1) $$y = 25$$(2) $$y^ 3 = 15,625$$
Manhattan A circular pizza is cut into eight wedge-shaped slices of equal size. What is the circumference of the pizza?(1) The area of each slice measures 2 square inches.(2) The pizza measures 8 inches in diameter.
Manhattan If $ defines a certain operation, is p $ q less than 20?(1) $$ x $ y = 2x^2 - y$$ for all values of x and y(2) p = 4, q = 10
OG18 OG19 OG20 OG2022 In a certain group of 50 people, how many are doctors who have a law degree? (1) In a certain group, 36 people are doctors. (2) In a group, 18 people have a law degree.
OG18 OG19 OG20 OG2022 If a and b are integers, is a+b+3 an odd integer? (1) ab is an odd integer.(2) a-b is an even integer.
OG18 OG19 OG20 OG2022 The people in a line waiting to buy tickets to a show are standing one behind the other. Adam and Beth are among the people in the line, and Beth is standing behind Adam with a number of people between them. If the number of people in front of Adam plus the number of people behind Beth is 18, how many people in the line are behind Beth? (1) There are a total of 32 people in the line . (2) 23 people in the line are behind Adam.
OG18 OG19 OG20 OG2022 GMAT、gmat题库、gmat模考、gmat考满分 Is the area of the triangular region above less than 20?(1) $$x^{2} +y^{2}\neq z^{2}$$(2) x+y<13
OG18-数学分册 If x > 0, what is the value of $$x^{5}$$?(1) $$\sqrt{x}=32$$(2) $$x^{2}=2^{20}$$
OG18-数学分册 What is the average (arithmetic mean ) of x and y?(1) The average of x and 2y is 10.(2) The average of 2x and 7y is 32.