Multiple choice Find the missing term (?) in the following series: 1084, 1084, 1078, 1054, 994, ? 874 887 895 905 920 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Differences: 1084-1084=0, 1084-1078=6, 1078-1054=24, 1054-994=60. The differences are 0, 6, 24, 60. These are 1^3-1, 2^3-2, 3^3-3, 4^3-4. Next difference is 5^3-5 = 120. 994 - 120 = 874.