Multiple choice Find the missing number in the given series. 1, 6, 13, 22, 33, ____, 61 34 46 30 47 Reveal answer Fill a bubble to check yourself B Correct answer Explanation 1 + 5 = 6 6 + 7= 13 13 + 9 = 22 22 + 11= 33 33 + 13 = 46 46 + 15 = 61