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

Related Mcqs:

1. The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone.

   A. 74 π cm²
   B. 36 π cm²
   C. 48 π cm²
   D. 24 π cm²

2. A tank is 7m long and 4m wide at what speed should water run through pipes 5cm broad and 4cm deep so that in 6 hours and 18 minutes, the water level in the tank rises by 4.5cm?

   A. 12km/hr
   B. 10km/hr
   C. 14km/hr
   D. None of these

3. 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

4. The edges of a cuboid are respectively 3cm, 4cm and 12 cm. Find the length of the diagonal of cuboid.

   A. 5 cm
   B. 19 cm
   C. 13 cm
   D. 144 cm

5. The edges of three iron cubes are 6cm; 8cm; 10cm respectively. A new cube was made by melting them. Find the edge of the new cube?

   A. 8 cm
   B. 12 cm
   C. 14 cm
   D. 10 cm

6. A metal sheet 27 cm long 8cm broad and 1 cm thick is melted into a cube. The difference between the surface areas of two solids is__________?

   A. 284 cm²
   B. 286 cm²
   C. 296 cm²
   D. 300 cm²

7. Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of _________?the new sphere will be

   A. 4920 cm2
   B. 4727 cm2
   C. 9856 cm2
   D. 19712 cm2

8. 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?

   A. 24000
   B. 23000
   C. 22000
   D. 25000

9. The perimeter of a rectangle is 60m. If it’s length is twice its breadth then its area is__________?

   A. 160m²
   B. 180m²
   C. 200m²
   D. 220m²

10. If each side of a square is increased by 50% the ratio of the area of the resulting square to the area of the given square is__________?

    A. 5:4
    B. 9:4
    C. 4:5
    D. 4:9