Multiple choice If 534 + 781 = 28, 932 + 455 = 28, then what is the value of 721 + 422? 17 18 28 19 None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation It is observable that 534 + 781 = 5 + 3 + 4 + 7 + 8 + 1 = 28 and 932 + 455 = 9 + 3 + 2 + 4 + 5 + 5 = 28 Similarly, 721 + 422 = 7 + 2 + 1 + 4 + 2 + 2 = 18, so it is a correct answer.