What number should replace the question mark? 8 - - 3, 47 - - 16, 20 - - 7, 59 - - 20, 32 - - ?

Question

What number should replace the question mark?

143 - - - 22

26 - - - 4

104 - - - 16

65 - - - ?

Answer 1

11

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a- -b ---> (a+1)/3=b
(8+1)/3=3
(47+1)/3=16
(20+1)/3= 7
(59+1)/3= 20
(32+1)/3= 11