3 2 7 5 4 23 riddle

Find the logic behind the numbers in this riddle. Find the missing number (value of ?) in the picture below; In text the riddle can be written as follows; 3 + 2 = 7 5 + 4 = 23 7 + 6 = 47 9 + 8 = 79 11 + 10 = ? The … Read more