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Quantity A

$$(-5)^{94}$$

Quantity B

$$(-7)^{95}$$


Meteorologists often make no strict distinction between sand and dust storms, events during which winds raise minute land-based particles into the atmosphere, since every storm contains _________________ particles.
The constant movement of Earth's outer shell produces a significant amount of geological ______________: volcanoes that result trom the interactions of tectonic plates, for example, differ in size, shape, chemistry, and eruption style.
While both western and eastern Australian deserts occasionally experience drenching rains, the western deserts are covered by sand sheets so __________ that, even during huge rainfalls, very little water runs off and surface rivers rarely form.
In some respects, all geological evidence is __________: we can't, for example, measure ancient aridity, but large-scale Aeolian cross-bedding, sand ripples, evaporites, and rounded sand grains are the results of it, and together, suggest the presence of a desert.
Saturn' s planetary ring system is arguably the _______________ structure known to humankind: it has an end-to-end dimension equivalent to the distance traveled by circling Earth seven times but a vertical height about that of a house.
In general, mass-blooming trees (i.e., trees that grow close together and flower at the same time) use pollinators that are relatively _______________, which puts a greater number of pollinators at their disposal.

Quantity A

$$3^{120}$$

Quantity B

$$6^{60}$$


The average (arithmetic mean) of 5 consecutive even integers is 20.

Quantity A

The least of the 5 integers

Quantity B

16


A sequence of numbers $$p_1, p_2, p_3, .........., p_n,.........$$. is generated by the rules $$p_1=1$$ and $$p_n= 24p_{n-1}+8$$ for each integer $$n ≥ 2$$.

Quantity A

The remainder when $$p_{66}$$ is divided by 6

Quantity B

4


Set $$S$$ is the set of all numbers of the form $$\frac{1}{n(n+1)}$$, where n is a positive integer less than 4.

Quantity A

The sum of all the numbers in $$S$$

Quantity B

$$\frac{2}{3}$$


A certain type of code is a list of 4 identical asterisks and 2 identical dots in any order. For example, **•*•* is one such code.

Quantity A

The number of possible codes of this type

Quantity B

15


Each person who attended a seminar on politics was either a Democrat, a Republican, or an independent. If a person had been selected randomly from those attending the seminar, the probability would have been 0.52 of selecting a Republican and 0.35 of selecting a Democrat. What was the ratio of the number of independents to the number of Republicans at the seminar?

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