A decade counter skips

A)
binary states 0000 to 0011
B)
binary states 1000 to 1111
C)
binary states 1111 to higher
D)
binary states 1010 to 1111

Correct Answer : Option (D) :   binary states 1010 to 1111


Explanation : A decade counter counts from 0 to 9. It has 4 flip-flops. The states skipped are 10 to 15 or 1010 to 1111.