Select the number from the given options that can replace the question mark (?) in the following series.
4, 12, ?, 60, 124, 252
4 = 4*1
12=4*3
? = 4*x
60=4*15
124=4*31
252=4*63
Here, every number is a multiple of 4. The multiple in the second term is one more than the twice of the previous multiple.
3 = 1*2+1
31 = 15*2+1
63 = 31*2+1
x=3*2+1
x=7