Find the next number

Find the next number in the sequence
23 21 24 19 26 15 28 11 30 7 36 ?

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pnikam Expert Asked on 24th August 2015 in Math Puzzles.
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  • 1 Answer(s)

    5

    23-2=21
    21+3=24
    24-5=19
    19+7=26
    26-11=15
    15+13=28
    28-17=11
    11+19=30
    30-23=7
    7+29=36
    36-31=5

    (2,3,5,7,11,13,17,19,23,29,31,37,41,43… are Prime Numbers)

    anikam Expert Answered on 24th August 2015.
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