**Question No: 1 ( Marks: 1 ) - Please choose one**

is an example
of -----------

**►**

**Irrational numbers**

**►**Rational numbers

**►**Integers

**►**Natural numbers

**Question No: 2 ( Marks: 1 ) - Please choose one**

Straight line is a special kind of ----------------

**►**Surface

**►**

**Curve**

**►**Plane

**►**Parabola

**Question No: 3 ( Marks: 1 ) - Please choose one**

An ordered triple corresponds to -----------
in three dimensional space.

**►**

**A unique point**

**►**A point in each octant

**►**Three points

**►**Infinite number of points

**Question No: 4 ( Marks: 1 ) - Please choose one**

The graph of an even function is
symmetrical about ---------------

**►**x-axis

**►**y-axis

**► origin**

**Question No: 5 ( Marks: 1 ) - Please choose one**

Sign of line integral is reversed when -----------

**►**path of integration is divided into parts.

**►**path of integration is parallel to y-axis.

**►**direction of path of integration is reversed.

**►**path of integration is parallel to x-axis.

**Question No: 6 ( Marks: 1 ) - Please choose one**

Plane is an example of ---------------------

**►**Curve

**►**Surface

**►**Sphere

**►**Cone

**Question No: 7 ( Marks: 1 ) - Please choose one**

Let R be a closed region in two dimensional space. What does the double integral over R calculates?

►

**Area of R.**
► Radius of inscribed circle in R.

► Distance between two endpoints of R.

► None of these

**Question No: 8 ( Marks: 1 ) - Please choose one**

What is the relation between the direction of gradient at any point on the surface to the tangent plane at that point ?

► parallel

►

**perpendicular**
► opposite direction

► No relation between them.

**Question No: 9 ( Marks: 1 ) - Please choose one**

Two surfaces are said to intersect orthogonally if their normals at every point common to them are ----------

► perpendicular

► parallel

►

**in opposite direction**

**Question No: 10 ( Marks: 1 ) - Please choose one**

Which of the following is geometrical representation of the equation y = x2 , in three dimensional space?

►

**Parabola**
► Straight line

► Half cylinder

► Cone

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