1,2,4,3,9,4,?. what is Next ?
C
Correct answer
Explanation
The pattern alternates: odd-positioned terms are squared (1²=1 stays, 3²=9), even-positioned terms are doubled (2×2=4, 4×2=8). So the 7th term (odd position) is 4²=16. The sequence follows two different rules for odd and even positions.