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

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. 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?

   A. 21 Sq.m
   B. 42 Sq.m
   C. 54 Sq.m
   D. 108 Sq.m

3. A hall is a 15m long and 12m board. If the sum of the areas of the floor and the ceiling is equal to the areas of the 4 walls the volume of the hall is:

   A. 720 Cu.m
   B. 1200 Cu.m
   C. 361 Sq.cm
   D. None of these

4. 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

5. 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

6. The Total cost of flooring a room at Rs.8.50 per square meter is Rs.510. If the length of the room is 8km it’s breadth is__________?

   A. 7.5m
   B. 8.5m
   C. 10.5m
   D. 12.5m

7. A rectangular field 30 m long and 20 m broad. How much deep it should be dug so that from the earth taken out, a platform can be formed which is 8 m long, 5.5 m broad and 1.5 m high where as the earth taken out is increase by 10/5?

   A. 12 cm
   B. 10 cm
   C. 18 cm
   D. 24 cm

8. What is the length of the longest pole which can be kept in a room 12 m long, 4 m broad and 3 m high?

   A. 10 cm
   B. 12 cm
   C. 15 cm
   D. 13 cm

9. The cost of 10 kg of apples is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is Rs.20.50. Find the total cost of 4 kg of apples, 3 kg of rice and 5 kg of flour?

   A. Rs.849.40
   B. Rs.877.40
   C. Rs.901.60
   D. Rs.815.20
   E. None of these

10. A rectangular field has dimensions 25m by 15m. Two mutually perpendicular passage of 2m width have been left in it’s central part and grass has been grown in rest of the field. The area under the grass is____________?

    A. 295m²
    B. 299m²
    C. 300m²
    D. 375m²