Question

In the figure line A II B II line C then write the number of corresponding angle so formed*How many bricks of 30 cm long, 15 cm thick and 10 cm wide bricks will be enough to build a wall 24 m long, 50 cm wide and 3 m high?*

1️⃣ 8000
2️⃣ 1600
3️⃣ 1200
4️⃣ 4000​

Answer 1

Given :- How many bricks of 30 cm long, 15 cm thick and 10 cm wide bricks will be enough to build a wall 24 m long, 50 cm wide and 3 m high?*

1️⃣ 8000

2️⃣ 1600

3️⃣ 1200

4️⃣ 4000

Answer :-

We know that,

• Volume of cuboid = L * B * H
• 1 m = 100 cm .

Let us assume that, n number of bricks will be enough to build the wall..

then,

→ Volume of one brick * n = Volume of wall .

→ (30 * 15 * 10) * n = (2400 * 50 * 300)

→ 15n = 2400 * 50

→ n = 8000 bricks (Option 1) (Ans.)

Learn more :-

*Which of the given numbers are in continued proportion?*

1️⃣ (2,4,8)

2️⃣ (1,2,3)

3️⃣ (6,9,8)

4️⃣ (3,5,8)

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