Question
What will be the cost of painting the four walls of a
room if the rate of painting is Rs. 20 per square metre? I. Perimeter of the floor is 52 m. II. Height of the wall of the room is 15 m. III. Ratio of length and breadth of the room is 5 : 2. Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in all the three statements are sufficient to answer the question. Read all the statements and give answer –Solution
From I and II, Area of four walls = 2( l + b ) × h ⇒ 52 × 15 = 780 m² ∴ Cost of painting the four walls = 780 × 20 = Rs. 15,600
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