A cistern 5 m long and 2 m wide contains water up to a breadth of 1 m 10 cm. Find the total area of the wet surface. Choose the correct answer:	A) 42 m sqaure	B) 49 m sqaure	C) 25 m sqaure	D) 28 m sqaure	E) none of these

Rationale: "explanation : area of the wet surface = 2 [ lb + bh + hl ] - lb = 2 [ bh + hl ] + lb = 2 [ ( 2 * 1.1 + 5 * 1.1 ) ] + 5 * 2 = 25 m square option c"
Answer: C