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If 2 + 4 = 12, 4 + 6 = 30, 5 + 2 = 12, 6 + 3 = 21 then 1 + 9 = ?
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If 2 + 4 = 12, 4 + 6 = 30, 5 + 2 = 12, 6 + 3 = 21 then 1 + 9 = ?
number puzzle
logic
mathematical
posted
Aug 8, 2020
by
Puneet Batra
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1 Answer
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18
a+b=ab + b
1+9 = 1*9+9= 18
answer
Aug 13, 2020
by
Hanifa Mammadov
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