Question
The edges of a surface are:

Answer

  1. Lines
    Solution:
    The edges of a surface are lines.

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A rectangular piece of paper is 44cm long and 18cm wide. If a cylinder is formed by rolling the paper along its length, then the radius of the base of the cylinder is:
In figure, if AB || CD, then x =
  1. 100
  2. 105
  3. 110
  4. 114
The volume of a cylinder whose circumference of the base is $132\ cm$ and height $25\ cm$ is:
If V is the volume of a cuboid of Dimensions x, y, z and A is its surface area, then $\frac{\text{A}}{\text{V}}$
  1. $\text{x}^2 \text{y}^2 \text{z}^2$
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  1. +, +
  2. -, -
  3. -, +
  4. +, -
$\frac{(\text{a}^2-\text{b}^2)^3+(\text{b}^2-\text{c}^2)^3+(\text{c}^2-\text{a}^2)^3}{(\text{a}-\text{b})^3+(\text{b}-\text{c})^3+(\text{c}-\text{a})^3}=$
Let ABC be a triangle of area 24 sq. units and PQR be the triangle formed by the mid-points of the sides of $\triangle\text{ABC}.$ Then the area of $\triangle\text{PQR}$ is:
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