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题目内容
According to the passage, which of the following is true of the collisions mentioned in the highlighted sentence?
The author of the passage asserts which of the following about titanic collision models?
The passage suggests that which of the following is true of the cited compounds and elements?
Test
The " combined age " of a group of people is the sum of the ages of all of the people in the group.Which of the following groups had the greatest combined age in 1986?
A and B are independent events, and the probability that both events occur is 1/2. Which of the following could be the probability that event A occurs? Indicate all such probabilities.
If the product of 7 consecutive integers is equal to the median of the integers, what is the least of the 7 integers?
Mike, Scott, Jim, Kate and Pete each have a different number of assignments this month. Pete has fewer assignments than Kate, Kate has more assignments than Mike, Mike has more assignments than Jim, and Jim has more assignments than Scott. Which of the following could be the person who has the median number of assignments this month for the five people listed? Indicate all such answers.
A box at a yard sale contains 3 different china dinner set, each consisting of 5 plates. A customer will randomly select 2 plates to check for defects. What is the probability that the 2 plates selected will be from the same dinner set?
If 2, 4, 6, 9 are the digits of two 2-digit integers, what is the least possible positive difference between the integers?
In a data set of 10,000 numbers varying from 20 to 80, the number 62 is the 60th percentile and the number 74 is the nth percentile.

Quantity A

n

Quantity B

70


f n and m are positive integers and m is a factor of $$2^{6}$$, what is the greatest possible number of integers that can be equal to both 3n and $$2^{6}/m$$?
If n is a positive odd integer and $$k=n^{3}+2n$$, what is the value of $$ (-1)^{k}-(-1)^{k+1}$$?
In the xy-plane, line k has slope 2 and passes through the point (3, r).

Quantity A

r

Quantity B

3


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