Select the option that is related to the third number in the same way as the second number is related to the first number.
16 : 9 :: 36 : ?
16 : 9 :: 36 : ?
16 + 2 =18 and $$18\div2$$ = 9
in the same wayÂ
36 + 2 = 38 and $$38\div2$$ = 19
Hence 19 is the answer
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