A ripple counter has 4 bits and uses flip flops with propagation delay time of 25 ns. The maximum possible time for change of state will be

A ripple counter has 4 bits and uses flip flops with propagation delay

1.	A ripple counter has 4 bits and uses flip flops with propagation delay time of 25 ns. The maximum possible time for change of state will be
A.	25 ns
B.	50 ns
C.	75 ns
D.	100 ns
Answer» E.