The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m?

Related Mcqs:

1. The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 5 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each?

   A. Rs. 4800
   B. Rs. 3600
   C. Rs. 3560
   D. Rs. 4530

2. A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m² ?

   A. Rs.60
   B. Rs.57
   C. Rs.55
   D. Rs.52

3. Bilal’s room has a floor of 8m by 4m. He decides to tile the floor with tiles of 25cm x 20 cm. How many tiles will he need?

   A. 320 tiles
   B. 640 tiles
   C. 160 tiles
   D. 6.4 tiles

4. The length of a rectangular floor is more than its breadth by 200%. If Rs. 324 is required to paint the floor at the rate of Rs. 3 per sq m, then what would be the length of the floor?

   A. 27 m
   B. 24 m
   C. 18 m
   D. 21 m

5. Jameel gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Nasir gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross?

   A. 19
   B. 28
   C. 30
   D. 37

6. Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?

   A. 425
   B. 476
   C. 450
   D. 350

7. A room is 12 ¼ m long and 7w wide. The maximum length of a square tile to fill the floor of the room with whole number of it’s tiles should be_________?

   A. 200cm
   B. 175cm
   C. 125cm
   D. 150cm

8. A room is 6 meters 24 centimeters in length and 4 meters 32 centimeters in width. Find the least number of square tiles of equal size required to cover the entire floor of the room?

   A. 110
   B. 124
   C. 96
   D. 117

9. The average height of 35 boys in a class was calculated as 180cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places)?

   A. 179.29 cm
   B. 178.29 cm
   C. 179.38 cm
   D. 178.39 cm

10. The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .

    A. 149
    B. 151
    C. 152
    D. 153