CAT Parajumble Practice Question 17

Question 17:

The four sentences (labelled 1, 2, 3, 4) given below, when properly sequenced would yield a coherent paragraph. Decide on the proper sequence of the order of the sentences and key in the sequence of the four numbers as your answer.

  1. If you’ve seen a little line of text on websites that says something like "customers who bought this also enjoyed that” you have experienced this collaborative filtering firsthand.
  2. The problem with these algorithms is that they don’t take into account a host of nuances and circumstances that might interfere with their accuracy.
  3. If you just bought a gardening book for your cousin, you might get a flurry of links to books about gardening, recommended just for you! – the algorithm has no way of knowing you hate gardening and only bought the book as a gift.
  4. Collaborative filtering is a mathematical algorithm by which correlations and cooccurrences of behaviors are tracked and then used to make recommendations.
Option: 4123
Explanation:

This is the simplest parajumble that we have in this paper. Statement 4 opens the para by introducing the idea of collaborative filtering. 1 takes the idea further by giving a first-and example of collaborative filtering. 2 talks about a problem with the algorithms of collaborative filtering, and 3 gives an example of that problem. Thus 4123 form a coherent paragraph.

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