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Indian Navy 10+2 B.Tech Cadet Sets, Relations and Functions — practice questions — page 2

Explore 33 free Sets, Relations and Functions questions in Indian Navy 10+2 B.Tech Cadet Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Sets, Relations and Functions questions and exercises with answers

Showing questions 31–33 of 33.

True or false: the historical noteRead the answer and worked solution →Match each relation termRead the answer and worked solution →Which one does NOT belong?Read the answer and worked solution →

Worked practice questions

True or false: the historical note

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Questions
  1. Statement is true
    Yes
    Statement
    The study of trigonometry was first started in India.
  2. Statement is true
    Yes
    Statement
    The sine function reached mathematics through the siddhantas.
  3. Statement is true
    Yes
    Statement
    Trigonometry passed from India to Arabia and then to Europe.
  4. Statement is true
    No
    Statement
    The Greeks never studied trigonometry at all.
  5. Statement is true
    Yes
    Statement
    sin⁻¹ is also called the arc sine function.
Straight from the Historical Note. Source: syllabus Maths Part I, Ch 2 Inverse Trigonometric Functions.

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Match each relation term

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Matching pairs
  1. Left
    Ordered pair
    Right
    Two elements written in a fixed order
  2. Left
    Cartesian product
    Right
    All ordered pairs from two given sets
  3. Left
    Domain
    Right
    The set the first elements come from
  4. Left
    Range
    Right
    The set of second elements actually used
Instructions
Tap a term on the left, then tap what it means.
_Source: syllabus Maths Ch2 Relations and Functions, 2.1 Introduction_

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Which one does NOT belong?

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Questions
  1. Items
    1. Domain
    2. Codomain
    3. Modulus
    4. Range
    Reason
    Modulus belongs to complex numbers. The other three describe a function.
    Odd item
    Modulus
  2. Items
    1. Ordered pair
    2. Cartesian product
    3. Relation
    4. Work function
    Reason
    Work function is a physics term from the photoelectric effect.
    Odd item
    Work function
Instructions
Tap the item that does not belong with the rest.
_Source: syllabus Maths Ch2 Relations and Functions, 2.1 Introduction_

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