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Q 01 / 25
The formula for the surface area of a sphere is \(\pi r^2\).
Q 02 / 25
The volume of a cuboid is given by \(l \times b \times h\).
Q 03 / 25
The curved surface area of a cylinder is \(2\pi rh\).
Q 04 / 25
The total surface area of a closed cylinder is \(2\pi rh + 2\pi r^2\).
Q 05 / 25
The volume of a cube is \(a^3\), where \(a\) is the length of each edge.
Q 06 / 25
The surface area of a cone is always less than its volume.
Q 07 / 25
The volume of a sphere is \(\frac{4}{3}\pi r^3\).
Q 08 / 25
The curved surface area of a cone is \(\pi r l\), where \(l\) is slant height.
Q 09 / 25
Surface area of a hemisphere is half the surface area of a sphere.
Q 10 / 25
The volume of a hemisphere is half the volume of a sphere.
Q 11 / 25
In a sphere, radius and diameter are always the same.
Q 12 / 25
The area of the base of a cylinder is \(\pi r^2\).
Q 13 / 25
A cube has 12 edges.
Q 14 / 25
All faces of a cuboid are squares.
Q 15 / 25
The surface area of a cube is \(6a^2\), whereaaais side length.
Q 16 / 25
For a cone, the perpendicular height is always equal to the slant height.
Q 17 / 25
A sphere has only curved surface, no flat surface.
Q 18 / 25
The curved surface area of a hemisphere is \(2\pi r^2\).
Q 19 / 25
The volume of a cylinder is \(2\pi r^2 h\).
Q 20 / 25
The surface area of a cuboid is \(2(lb + bh + hl)\).
Q 21 / 25
The base of a cone is a circle.
Q 22 / 25
The height of a cylinder is the distance between its two bases.
Q 23 / 25
The surface area of a sphere increases as the radius increases.
Q 24 / 25
The formula for the volume of a cone is \(\frac{1}{3}\pi r^2 h\).
Q 25 / 25
A hemisphere has more total surface area than a sphere of the same radius.
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Mathematics | Maths Class 9 — Complete Notes & Solutions · academia-aeternum.com
🎓 Class 9 📐 Maths 📖 NCERT ✅ Free Access 🏆 CBSE · JEE
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