Maths Chapter 1 – Relations and Functions MCQ Question Answers for CUET 2024

1. Let R be a relation on the set N of natural numbers denoted by nRm ⇔ n is a factor of m (i.e. n | m). Then, R is
a.
b.
c.
d.

2. Let A = N × N and * be the binary operation on A defined by (a, b) * (c, d) = (a + c, b + d). Then * is
a.
b.
c.
d.

3. Question
a.
b.
c.
d.

4. Let R be the relation “is congruent to” on the set of all triangles in a plane is
a.
b.
c.
d.

5. The function f : R → R defined by f(x) = 3 – 4x is
a.
b.
c.
d.

6. Objective function of a L.P.P.is
a.
b.
c.
d.

7. The maximum number of equivalence relations on the set A = {1, 2, 3} are
a.
b.
c.
d.

8. Question
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b.
c.
d.

9. If * is a binary operation on set of integers I defined by a * b = 3a + 4b – 2, then find the value of 4 * 5.
a.
b.
c.
d.

10. Question
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b.
c.
d.

11. If there is an error of a% in measuring the edge of a cube, then the percentage error in its surface area is

12. Question
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b.
c.
d.

13. The maximum value of f = 4x + 3y subject to constraints x ≥ 0, y ≥ 0, 2x + 3y ≤ 18; x + y ≥ 10 is
a.
b.
c.
d.

14. Question
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c.
d.

15. Question
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b.
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d.

16.

Question


a.
b.
c.
d.

17. If N be the set of all-natural numbers, consider f : N → N such that f(x) = 2x, ∀ x ∈ N, then f is
a.
b.
c.
d.

18. Let A = {1, 2, 3}. Then the number of relations containing (1, 2) and (1, 3), which are reflexive and symmetric but not transitive is
a.
b.
c.
d.

19. Question
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b.
c.
d.

20. Total number of equivalence relations defined in the set S = {a, b, c} is
a.
b.
c.
d.

21. Question

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b.
c.
d.

22. Question
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c.
d.

23. Question
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c.
d.

24. Let A = {x : -1 ≤ x ≤ 1} and f : A → A is a function defined by f(x) = x |x| then f is
a.
b.
c.
d.

25.

Question

a.
b.
c.
d.


 


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