What comes next in the following number series? 66, 64, 70, 68, ?
- 72
- 74
- 76
- None of these
Explanation
Check the pattern:
66 to 64 = -2
64 to 70 = +6
70 to 68 = -2
68 to ? = +6
So it alternates: -2, +6, -2, +6...
Next step after 68 should be +6
68 + 6 = 74
Last verified on 01-09-2026
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