Each of the questions below consists of a set of labelled sentences. These sentences, when properly sequenced, form a coherent paragraph. Choose the most logical order of sentences from the options.
A. Imagination is not only the uniquely human capacity to envision that which is not, and therefore the fount of all invention and innovation.
B. I chose my theme - the importance of imagination - because of the part it played in rebuilding my life, but that is not wholly so.
C. In its arguably most transformative and revelatory capacity, it is the power that enables us to empathise with humans whose experiences we have never share.
D.Though I will defend the value of bedtime stories to my last gasp, I have learned to value imagination in a much broader sense.
RCs that have long passages are usually riddled with facts and figures. In such cases, reading the questions before reading the passage makes much more sense.
Let
f(
n,
k) denote the number of ways in which the set
S = {1, 2, 3, 4,…
n} can be partitioned into
k non-empty subsets.
For example,
f(3, 2) = 3 since we can partition {1, 2, 3} into 2 subsets in 3 ways: {1, 2}{3}; {1, 3}{2} and {2, 3}{1}.
Similarly f(4, 2) = 7 since there are 7 ways to partition {1, 2, 3, 4} into 2 sets: {1, 2}{3, 4}; {1, 3}{2, 4}; {1, 4}{2, 3}; {1, 2, 3}{4}; {1, 2, 4}{3}; {1, 3, 4}{2}; {1}{2, 3, 4}.
We assume that f(0, 0) = 1.
What is the value of f(7, 4) if f(6, 3) = 90 and f(6, 4) = 65?
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