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A string of decorative lights consists of red, green and blue bulbs. The red bulbs flash every $$4$$ seconds, the green bulbs flash every $$6$$ seconds, and the blue bulbs flash every $$9$$ seconds. If all the lights flash simultaneously when the string is first lit, how many seconds will it take until all the lights flash simultaneously the next time?

Quantity A

The greatest common factor of $$5$$ and $$16$$

Quantity B

The greatest common factor of $$25$$ and $$256$$


Let $$n$$ be a positive integer such that the greatest common factor of $$n$$ and $$24$$ is $$12$$. Which of the following could be the least common multiple of $$n$$ and $$24$$?
If the sum of $$x$$ and $$5$$ is divided by $$y$$, the result is $$8$$.

Quantity A

$$x$$

Quantity B

$$y$$


When $$10$$ is divided by the positive integer $$k$$, the remainder is $$k-2$$. Which of the following could be the integer $$k$$?
Indicate all such integers.
When the positive integer $$n$$ is divided by $$35$$, the remainder is $$27$$. What is the remainder when $$n$$ is divided by $$7$$?
When the positive integer $$n$$ is divided by $$35$$, the remainder is $$29$$. What is the remainder when $$n$$ is divided by $$7$$?
If the positive integer $$n$$ is divided by $$30$$, the remainder is $$5$$. Which of the following must be divisible by $$30$$?
When the integer $$n$$ is divided by $$5$$, the remainder is $$2$$. If $$n$$ is between $$13$$ and $$29$$, which of the following integers could be the remainder when $$n$$ is divided by $$4$$?
Indicate all such integers.
$$k$$, $$m$$, and $$r$$ are positive integers and $$k \lt m \lt r$$.
When $$m$$ is divided by $$k$$, the remainder is $$0$$.
When $$r$$ is divided by $$k$$, the remainder is $$0$$.

Quantity A

The remainder when $$r$$ is divided by $$m$$

Quantity B

$$k$$


$$n$$ is a positive integer, and the remainder when $$23$$ is divided by $$n$$ is $$2$$.

Quantity A

$$n$$

Quantity B

$$8$$


When the positive integer $$M$$ is divided by $$6$$, the remainder is $$1$$. When $$M$$ is divided by the positive integer $$D$$, the remainder is $$0$$. Which of the following could be the integer $$D$$?
Indicate all such integers.
If $$x$$ is an integer and $$y=3x+2$$, which of the following integers could be a divisor of $$y$$?
Indicate all such integers.
In his article, Bazerman highlights Edison' s _________ manipulation of the press, including gifts of stock to friendly reporters.
Those who had once been his ________ within the bureaucracy, responsive to his every string-pulling maneuver, were now distressingly prone to independent judgment, and amicable enough but with an infuriating, vaguely superior manner.
The great divide between science and the humanities appeared during the last decades of the nineteenth century: before then, most people had seen those realms of human thought as (i)________. It would therefore be (ii)________ us to study early- or mid-nineteenth-century science as something completely separate from the art of the time.
In her analysis of Jane Austen' s Mansfield Park, Emily Auerbach plays up the symbolic importance of many details of the story. Although Auerbach' s compelling close reading may (i)________ us of the notion that Austen was the (ii)________ author we would prefer, Auerbach often exceeds the boundaries of (iii)________ to the point of wistful hope.
Much honored for her work in both theater and film, the director was prolific—too much so, according to some critics who thought she sometimes took on projects ________.
The character whose fate dominates the film' s plot appears only briefly onscreen, a bit of narrative slyness that we might welcome as ________ the sensory overload more characteristic of this director.
This is a ________ book: it takes up and defends a position to which the current intellectual climate is generally hostile.

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