$$\sin \theta$$ is negative in the __________quadrant.

• A) 1st
• B) 2nd
• C) 3rd and 4th quadrant
• D) 3rd

The domain of $y = \arccos x$ is........

• A) $\left[ {0,\infty } \right]$
• B) $\left[ { - 1,1} \right]$
• C) $\left[ { - \infty ,0} \right]$
• D) $\left[ {0,1} \right]$

Equation of a circle centered at (0,-5) and radius $\sqrt 8$ is .......

• A) ${x^2} + {(y + 5)^2} = 8$
• B) ${x^2} + {(y - 5)^2} = 64$
• C) ${x^2} - {(y + 5)^2} = 8$
• D) ${x^2} + {(y + 5)^2} = 64$

$\cos ( - \theta ) = ......$

• A) $- \cos \theta$
• B) $sec(\theta )$
• C) $\cos \theta$
• D) $- \cos ( - \theta )$

The amplitude of the function y=9cosx is…………

• A) 9
• B) -9
• C) -3
• D) 3

The value of $\cos ({120^ \circ })$ is same as the value of ......

• A) $\cos {180^ \circ }$
• B) $- \cos {60^ \circ }$
• C) $- \cos {120^ \circ }$
• D) $\cos {60^ \circ }$

$tan \theta$ negative in the second and the ______ quadrant.

• A) Fourth
• B) Third
• C) Second
• D) First

Which of the following equations represents a tangent function with a period that is 0.25π radians?

• A) f(x)=4tan(x)−15
• B) f(x)=tan(0.25x)
• C) f(x)=3tan(4x)−15
• D) f(x)=0.25tan(x)

A Bar chart which represents continuous data is called

• A) a pie chart
• B) a discrete chart
• C) None of these
• D) a histogram

Write the standard form of the equation of the circle with radius 6 and centre (-3, 0).

• A) $${(x + 3)^2} + {y^2} = 36$$
• B) $${(x - 3)^2} + {y^2} = 36$$
• C) $${x^2} + {(y + 3)^2} = 6$$
• D) $${x^2} + {(y - 3)^2} = 6$$

The equation ax^2 + 2hxy + by^2 + 2gx + 2fy + c = 0 represents a circle, the condition will be

• A) a = b and h = 0
• B) a = b and c = 0
• C) f = g and h = 0
• D) f = g and c = 0

In descriptive statistics, we study

• A) The methods for organizing, displaying and describing data
• B) The description of the decision-making process.
• C) none of the above
• D) How to describe the probability distribution

The variables whose calculation is done according to the height, length, and weight are categorized as

• A) Discrete Variables
• B) Measuring Variables
• C) Continuous Variables
• D) Flowchart Variables

If a variable cannot take a numerical value then the variable is called

• A) constant variable
• B) discrete variable
• C) continuous variable
• D) qualitative variable

The equation of a vertical line passing through the point (1,2) is

• A) y = 2
• B) y = 1
• C) x = 2
• D) x = 1

Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data:

• A) Probability statistics
• B) Advanced statistics
• C) Bayesian statistics
• D) Descriptive statistics

The centre of a circle lies in_____________ of the circle.

• A) none of these
• B) exterior
• C) interior
• D) boundary

Graphical and numerical methods are specialized process utilized in

• A) Social Statistics
• B) Business Statistics
• C) Descriptive Statistics
• D) Education Statistics

\tan (\theta + \pi )=

• A) - \tan \theta
• B) \cot \theta
• C) \tan \theta
• D) \sec \theta

In the cosine function, the minimum value of ______ is taken when \theta = \pm {180^ \circ }\,,\, \pm {540^ \circ } and so on.

• A) 1
• B) 0
• C) -0.5
• D) -1