Subject :NSO Class : Class 5

I f AB is 3^{rd} multiple of 4, GF is one less than the first odd prime number, BC is the common factor
of 2 and 8 other than 1, and AG is one-fourth of BC, then find the difference between shaded and
unshaded perimeter of the figure. (Not drawn to scale)

(A) 24 units

(B) 48 units

(C) 30 units

(D) None of these