Multiple choice

A certain musical scale consists of exactly six notes A, F, G, K, L, O. The notes are arranged from lowest to highest in the scale. Each note appears once and only once in the scale and the intervals between the notes are all equal. L is lower than O. F is higher than A. K is somewhere between A and F. G is the highest note of scale. If A and K are separated by exactly one note which of the following must be true?

  1. F is the fourth note

  2. O is the fifth note

  3. L is lower than K

  4. K is lower than O

  5. L is between A and K
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Start by assuming A is the lowest note on the scale and that K is therefore the 3rd note

F has two possibilities    ||||||| |---|---|---|---|---|---| |1|2|3|4|5|6| |A| |K| |F|G| |A| |K|F| |G|

L and O can be placed in two positions with O > L  | |A|L|K|F|O|G|

This is a must condition in any sequence, L is lower than K    

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