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Aptitude:: Volume and Surface Area
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Volume and Surface Area
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Important Formulas
Exercise
General Question
Data Sufficiency 1
Data Sufficiency 2
Important Formulas
"
1
1. CUBOID
Let length = l, breadth = b and height = h units. Then
i. Volume = (l x b x h) cubic units.
ii. Surface area = 2(lb + bh + lh) sq. units.
iii. Diagonal =
units.
2. CUBE
Let each edge of a cube be of length a. Then,
i. Volume =
cubic units.
ii. Surface area = 6
sq. units.
iii. Diagonal =
a units.
3. CYLINDER
Let radius of base = r and Height (or length) = h. Then,
i. Volume =
cubic units.
ii. Curved surface area =
sq. units.
iii. Total surface area =
sq. units.
4. CONE
Let radius of base = r and Height = h. Then,
i. Slant height,
units.
ii. Volume =
cubic units.
iii. Curved surface area =
sq. units.
iv. Total surface area =
sq. units.
5. SPHERE
Let the radius of the sphere be r. Then,
i. Volume =
cubic units.
ii. Surface area =
sq. units.
6. HEMISPHERE
Let the radius of a hemisphere be r. Then,
i. Volume =
cubic units.
ii. Curved surface area =
sq. units.
iii. Total surface area =
sq. units.
Note: 1 litre = 1000
.
Answer & Explanation
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