A brick measures 20 cm * 10 cm * 7.5 cm how many bricks will be required for a wall 25 m * 2 m * 0.75 m?

Related Mcqs:

1. Calculate the number of bricks, each measuring 25 cm * 15 cm * 8 cm required to construct a wall of dimensions 10 m * 4 m * 5 m when 10% of its volume is occupied by mortar?

   A. 4000
   B. 5000
   C. 6000
   D. 7000

2. The area of the floor of a room is 20 m² that of a longer wall 15 m² and of the shorter wall 12 m², find the edge of the new cube?

   A. 450 m³
   B. 100 m²
   C. 60 m³
   D. 400 m³

3. 15 men can build a 500m long wall in 30 days. In how many days can 30 men build a 1.2 km long wall?

   A. 48 days
   B. 24 days
   C. 40 days
   D. 36 days

4. The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is :_________?

   A. 2.3 m
   B. 4.6 m
   C. 7.8 m
   D. 9.2 m

5. A room is 4 meters 37 cm long and 3 meters 23cm broad. It is required to pave the floor with minimum square slabs. Find the number of slabs required for this purpose?

   A. 485
   B. 431
   C. 391
   D. 381

6. A student who secures 20 % marks in an examination fails by 30 marks. Another student who secures 32 % marks gets 42 marks more than those required to pass. The percentage of marks required to pass is:________?

   A. 20%
   B. 25 %
   C. 28%
   D. 30%

7. The surface area of a (10cm x 4cm x3cm) brick is__________?

   A. 84 Sq.cm
   B. 124 Sq.cm
   C. 164 Sq.cm
   D. 180 Sq.cm

8. A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is__________?

   A. 90 cm
   B. 1 dm
   C. 1 m
   D. 1.1 cm

9. A rectangular measure 8cm on length and it’s diagonals measures 10cm what is the perimeter of the rectangular?

   A. 36cm
   B. 38cm
   C. 28cm
   D. 18cm

10. What is the volume of a cube (in cubic cm) whose diagonal measures 4√3 cm ?

    A. 8
    B. 16
    C. 27
    D. 64