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38% (02:20) correct 62% (02:06) wrong based on 811 sessionsA Farey sequence of order n is the sequence of fractions between 0 and 1 which, when in lowest terms, have denominators less than or equal to n, arranged in order of increasing size. For example, the Farey sequence of order 3 is: {0, 1/3 , 1/2, 2/3 , 1}. Is sequence S a Farey sequence? (1) Sequence S has fewer than 10 elements. (2) The second element of sequence S is 1/5 

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