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Functions Questions

Practice 40 Functions questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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40
Total Questions
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4
Easy
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36
Medium
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0
Hard
Practice by Exam:Mathematics(36)Accountancy(3)BIOLOGY(1)

About functions — practice questions, PYQs & concepts

functions is a frequently-tested topic on Mathematics, Accountancy, BIOLOGY. ExamTest.live currently lists 40 functions questions spanning previous-year papers from 2004 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

functions weight in competitive exams

Across our functions question bank, the largest sources are Mathematics (36), Accountancy (3) and BIOLOGY (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 4 easy functions questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Functions Questions(1–40 of 40)

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Q1mediummcqMathematicsMathematics Mock Test - 62026
9% accuracy
The function is monotonically decreasing for:
Q2mediummcqMathematicsMathematics Mock Test - 12026
0% accuracy
If is a function such that:

then is:
Q3mediummcqMathematicsMathematics Mock Test - 102026
27% accuracy
The maximum value of the function is:
Q4mediummcqMathematicsMathematics Mock Test - 102026
0% accuracy
A function satisfies the equation for all ; . Suppose that the function is differentiable at and . If , then the value of is:
Q5mediummcqMathematicsMathematics Mock Test - 102026
27% accuracy
The critical points of the function are:
Q6mediummcqMathematicsMathematics Mock Test - 52026
0% accuracy
If is an increasing function and is a decreasing function, then which of the following is correct for the real values and ? Given that for these values of , both functions are defined.
Q7mediummcqMathematicsMathematics Mock Test - 52026
0% accuracy
Let . Which one of the following is correct?
Q8mediummcqMathematicsMathematics Mock Test - 52026
50% accuracy
Let and . Then the number of one-to-one functions from to is:
Q9mediummcqMathematicsMathematics Mock Test - 52026
0% accuracy
Let and be differentiable functions on such that is the identity function. If for some , and , then is equal to:
Q10mediummcqMathematicsAIEEE 20072026
0% accuracy
The largest interval lying in for which the function is defined, is:
Q11mediummcqMathematicsMathematics Mock Test - 22026
0% accuracy
What is the domain of the function ?
Q12mediummcqMathematicsMathematics Mock Test - 22026
0% accuracy
If , then find the minimum value of .
Q13mediummcqMathematicsMathematics Mock Test - 92026
0% accuracy
is a function from . Then is:
Q14mediummcqMathematicsMathematics Mock Test - 92026
0% accuracy
Let . A function is defined by . Which one of the following is correct?
Q15mediummcqMathematicsAIEEE 20072026
0% accuracy
Let be a function defined by . Then which of the following is true?
Q16mediummcqMathematicsAIEEE 20072026
0% accuracy
The function is an increasing function in:
Q17mediummcqMathematicsAIEEE 20062026
0% accuracy
If is real, the maximum value of is:
Q18mediummcqMathematicsMathematics Mock Test - 92026
0% accuracy
If , then the function is:
Q19mediummcqAccountancyCUET Accountancy 2022 15 July Shift 22026
0% accuracy
In which cell is the rate parameter for the PMT function located given the formula = PMT(C8, C9, C10, C11, C12)?
Q20easymcqAccountancyCUET Accountancy 2025 27 May Shift 22026
Which of the following is NOT a mathematical function?
Q21mediummcqMathematicsMathematics Mock Test - 112026
Match List I with List II regarding the domain of functions:List I (Function)List II (Domain)A. I. B. II. C. III. D. IV. Choose the correct answer:
Q22mediummcqMathematicsMathematics Mock Test - 112026
If , for all , then is:
Q23mediummcqMathematicsCompetitive Exam2026
If and a\ b = a + b^2 + 2 (4\.
Q24easymcqAccountancyCUET Accountancy 2025 27 May Shift 22026
The LOOKUP function has two syntax forms:
Q25easymcqBIOLOGYNEET 20192026
Match column I with column II:Column I: (a) Golgi apparatus, (b) Lysosomes, (c) Vacuoles, (d) RibosomesColumn II: (i) Synthesis of protein, (ii) Trap waste and excretory products, (iii) Formation of glycoproteins and glycolipids, (iv) Digesting biomolecules
Q26mediummcqMathematicsMathematics Mock Test - 32026
If a function is defined as , then which of the following is true regarding this function?
Q27mediummcqMathematicsAIEEE 20092026
1: The set where .
2: is a bijection.
Q28mediummcqMathematicsAIEEE 20092026
For real , let , then:
Q29mediummcqMathematicsAIEEE2026
How many real solutions does the equation have?
Q30mediummcqMathematicsAIEEE2026
Let be a function defined as , where . The inverse of the function is:
Q31mediummcqMathematicsAIEEE-CBSE-ENG-032026
The function is:
Q32mediummcqMathematicsAIEEE-CBSE-ENG-032026
Domain of definition of the function , is:
Q33mediummcqMathematicsAIEEE-CBSE-ENG-032026
If satisfies , for all and , then is:
Q34mediummcqMathematicsAIEEE-CBSE-ENG-032026
A function from the set of natural numbers to integers defined by is:
Q35mediummcqMathematicsAIEEE2026
A real valued function satisfies the functional equation where is a given constant and . Then is equal to:
Q36mediummcqMathematicsAIEEE2026
Let be a function defined by , then is both one-one and onto when is the interval:
Q37easymcqMathematicsAIEEE 20042004
0% accuracy
The graph of the function is symmetrical about the line then
Q38mediummcqMathematicsAIEEE 20042004
0% accuracy
If defined by is onto, then the interval of is
Q39mediummcqMathematicsAIEEE 20042004
0% accuracy
The range of the function is
Q40mediummcqMathematicsAIEEE 20042004
0% accuracy
The domain of the function is

Frequently Asked Questions

How many Functions questions are on ExamTest.live?▼
We have 40 Functions questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Functions MCQs free?▼
Yes. All Functions questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Functions questions?▼
Functions questions are commonly asked in Mathematics, Accountancy, BIOLOGY. You can filter by exam using the links above.
How do I practice Functions questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.