# The Relation Quizzes Online MCQs PDF Download eBook - 149

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"A function in which the second element of the order pair are distinct is called", the relation Multiple Choice Questions (MCQs) with choices *one-one function, onto function, identity function, and inverse function* for online college courses. Practice number system questions and answers to improve problem solving skills for GRE subject tests.

## The Relation Questions and Answers PDF Download eBook

MCQ: A function in which the second element of the order pair are distinct is called

- onto function
- one-one function
- identity function
- inverse function

B

MCQ: If a, b are the elements of a group G, then (ab)^{-1} =

- a
^{-1}b^{-1} - b
^{-1}a^{-1} - a
^{-1}b - b
^{-1}a

B

MCQ: 1 - cos4α =

- 2sin²α
- 4sin²α
- 4cos²α
- 2sin²2α

D

MCQ: Cosec(π+α) =

- tanα
- −cosecα
- cosecα
- −secα

B

MCQ: Csc²θ-cot²θ =

- 1
- −1
- 0
- sec²2θ

C