Order and Ranking

intermediate24 min read

Working out a total from two ranks, converting a rank from one end to the other, counting people between two positions, chaining taller-than and older-than comparisons, and the least-and-most-people questions.

What you will be able to do

Find the size of a row or list from a person's rank at each end.
Convert a rank from the top into the matching rank from the bottom.
Count how many people sit between two given positions.
Chain comparison statements into one order and read a rank off it.
Answer 'minimum number of people' questions by overlapping the two groups.

What is inside this lesson

1What ranking questions ask
2Total from two ranks
3Converting a rank from one end to the other
4Counting between, and comparison chains
5Minimum and maximum people
6Worked example
7Common mistakes
8Quick revision
9Practice

The lesson itself is for members

Reading the 9 sections above, the worked examples and the practice set is free — the whole knowledge base is on the free plan, along with flashcards, private notes and Ask Onely.

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