The floor of a rectangular room is 19 m long and 12 m wide. The room is surrounded by a veranda of width 2 m on all its sides. The area of the veranda is :
Choose the correct choice from the following:
A) 144 m 2
B) 140 m 2
C) 108 m 2
D) 158 m 2
E) none of these

Rationale: "area of the outer rectangle = 23 ã — 16 = 368 m 2 area of the inner rectangle = 19 ã — 12 = 228 m 2 required area = ( 368 â € “ 228 ) = 140 m 2 answer b"
Answer: B