Surface area and volume

How many bricks each measuring 25cm×12.5cm×16cm will be needed to construct a wall 8m long,5m high,and 22.5cm thick?

• 2400

• 1800

• 1200

• 3600

The length,breadth and height of cuboidal box are 18cm,12 cm and 10 cm respectively. What is the total surface area of box?

• 1000

• 1048

• 1032

• 1120

If the length, breadth and total surface area of a cuboid are 15cm, 10cm and 1300cm^2 then it's height is?

• 15 cm

• 20 cm

• 24 cm

• 30 cm

The cost of painting surface area of solid cuboid of dimensions 40cm × 36 cm × hcm at Rs. 20 per 100 cm^2 is Rs. 1032. What is the value of h?

• 20

• 15

• 24

• 12

A man has built a cubical water tank in his house. All sides of it are equal to 1.8m. All sides except the base are to be covered by tiles having equal sides of 30cm. How much money will he spend on tiles if cost of tiles is ₹400/dozen?

• ₹7000

• ₹7200

• ₹6000

• ₹6500

Draw the front view of given dice.

• 
• 
• 
• None of these

Draw the side view of given object.

• 
• 
• 
• None of these