The total cost to paint all the 4 walls of a room whose length, breadth and height are 10 m, 20 m and 5 m respectively at the rate of ₹ 10 per sq. meter is ₹ 7000.

True

No worries! We‘ve got your back. Try BYJU‘S free classes today!

False

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

Given l =10 cm, b = 20 cm and h =5 cm

The lateral surface area of Cuboid= 2h(l+b)= 2 $\times$ 5(20+10) = 2 $\times$ 5 $\times$ 30

=300 $c m^{2}$

$∴$ Cost of painting the 4 walls= 300 $\times$ 10 = ₹ 3000

Hence, the given statement is false.

Suggest Corrections

Similar questions

The total cost to paint all the 4 walls of a room with length, breadth and height as 10 m, 20 m and 5 m respectively at the rate of Rs. 10 per sq . meter is Rs.7000. State whether true or false.

The total cost to paint all the 4 walls of a room with length, breadth and height as 10 m, 20 m and 5 m respectively at the rate of Rs. 10 per sq. meter is Rs.7000. State whether the estimation is true or false.

The total cost to paint all the 4 walls of a room with length, breadth and height as 10 m, 20 m, and 5 m respectively at the rate of Rs. 10 per sq. meter will be:

The total cost is Rs.7000 to paint all the 4 walls of a room with length, breadth and height as 10 m, 20 m, and 5 m respectively at the rate of Rs.10 per sq m. State whether true or false.

The total cost to paint external areas of all the 4 walls of a room with length, breadth and height as 10 cm, 20 cm and 5 cm respectively at the rate of ₹10 per sq. metre is ₹7000.

Join BYJU'S Learning Program

The total cost to paint all the 4 walls of a room whose length, breadth and height are 10 m, 20 m and 5 m respectively at the rate of ₹ 10 per sq. meter is ₹ 7000.

Given l =10 cm, b = 20 cm and h =5 cm The lateral surface area of Cuboid= 2h(l+b)= 2×5(20+10) = 2× 5 × 30 =300 cm2 ∴ Cost of painting the 4 walls= 300 × 10 = ₹ 3000 Hence, the given statement is false.

Given l =10 cm, b = 20 cm and h =5 cm

The lateral surface area of Cuboid= 2h(l+b)= 2 $\times$ 5(20+10) = 2 $\times$ 5 $\times$ 30

=300 $c m^{2}$

$∴$ Cost of painting the 4 walls= 300 $\times$ 10 = ₹ 3000

Hence, the given statement is false.