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Building With Bricks - 2 Class 4 Worksheet SST

Q1: Multiple Choice Questions (MCQs).

(i) One hundred thousand =________
(a) One crore
(b) One lakh
(c) One thousand
Ans: 
(b)
One hundred thousand is equal to "One lakh." In the Indian numbering system, "lakh" represents 100,000.

(ii) What is the shape of a brick?
(a) Sphere
(b) Cuboid
(c) Cone
Ans:
(b)
The shape of a brick is a "cuboid," which is like a rectangular box with six faces, all right angles.
Building With Bricks - 2 Class 4 Worksheet SST

(iii) Write the numeral 6 lakh 8 hundreds 5 ones?
(a) 600805
(b) 608005
(c) 600085
Ans:
(a)
The numeral 6 lakh 8 hundreds 5 ones is written as "600805."

(iv) How many zeroes are there in one lakh?
(a) 4
(b) 5
(c) 6
Ans:
(b)
There are "5" zeroes in one lakh. It's written as 100,000.

(v) A brick has _______ edges
(a) 6
(b) 8
(c) 12
Ans: 
(c)
A brick has "12" edges. It has eight corners or vertices, and each vertex connects to three edges.

Q2: Answer the following Questions.

(i) The price of one thousand new bricks from Brickabad is RS 2000. Find the cost of 3000 such bricks?
Ans:
Cost of 1000 bricks = 2000
Cost of 3000 bricks = 2000 x 3 = 6000 rupees
Building With Bricks - 2 Class 4 Worksheet SST

(ii) If the cost of 50 kg rice is Rs 1600. Find the cost of 1 kg of rice?
Ans: Cost of 50 kg rice = 1600 rupees
Cost of 1 kg of rice = 1600/50 = 32 rupees
Building With Bricks - 2 Class 4 Worksheet SST

(iii) Write the number of faces, edges and vertices of a brick?
Ans: Number of faces = 6
Number of edges = 12
Number of vertices = 8

(iv) The price of one thousand old bricks is Rs 1200. Find the cost of 500 old bricks?
Ans: Cost of 1000 old bricks = 1200
Cost of 500 old bricks = 1200/2 = 600

(v) If the cost of one hundred packets of cement is Rs 42000. Find the cost of 500 such packets?
Ans: Cost of 100 packets of cement = 42000 rupees
Cost of 500 such packets = 42000 x 5 = 210000 rupees.
Building With Bricks - 2 Class 4 Worksheet SST

The document Building With Bricks - 2 Class 4 Worksheet SST is a part of the Class 4 Course Mathematics for Class 4: NCERT.
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FAQs on Building With Bricks - 2 Class 4 Worksheet SST

1. What are the advantages of building with bricks?
Ans. Building with bricks offers several advantages, including their durability, fire resistance, and low maintenance requirements. Bricks are also known for their thermal insulation properties, helping to regulate temperature inside buildings. Additionally, bricks are versatile and can be used in various architectural styles.
2. How do bricks contribute to sustainable construction?
Ans. Bricks are considered sustainable building materials due to their long lifespan and recyclability. They are made from natural resources such as clay or shale, reducing the need for extracting new materials. Bricks also have excellent thermal mass properties, which can help reduce energy consumption in buildings.
3. Can bricks be used for both interior and exterior walls?
Ans. Yes, bricks can be used for both interior and exterior walls. They provide structural support and can withstand various weather conditions when used on the exterior. On the interior, bricks can be left exposed for aesthetic purposes or covered with plaster or paint.
4. How do I ensure the quality of bricks for my construction project?
Ans. To ensure the quality of bricks, it is important to source them from reputable suppliers. Look for bricks that have been tested and approved by relevant authorities. Additionally, check for any visible defects such as cracks or irregular shapes. It is also recommended to consult with a professional architect or engineer to ensure the bricks meet the required standards for your specific project.
5. Can bricks be used in earthquake-prone areas?
Ans. Yes, bricks can be used in earthquake-prone areas, but additional measures need to be taken to enhance their seismic performance. This can include reinforcing the brick walls with steel bars and using proper mortar mix to increase their strength. It is crucial to consult with structural engineers who specialize in seismic design to ensure the safety and stability of the brick construction in such areas.
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