# Punjab 12th Class Math Chapter 1 Functions and Limit Mcqs Test Online

 Total Question 20 Questions Total Marks 40 Marks Total Time 20 Minuts
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### Test Name

 Ch. 1 # Functions and Limit

### Subject

 Mathematics (12th Class)

 MCQs

# Punjab 12th Class Math Chapter 1 Functions and Limit Mcqs Test Online

Question 1 of 20

## Math

1. Let f: S → T be a one – to – one function such that f(x1) = 6 and f(2) = 6 then the value of x1 is :
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Question 1 of 20

Question 2 of 20

2. The solution set of 2x³ – 3x² + 4x – 5 = 0 can have at the most,

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Question 3 of 20

3. If S = {a, b, c} then the number of distinct relations on S is

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Question 4 of 20

4. The graph of a linear function represents a
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5. Let f(x) = 5x + 3 then f is
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Question 6 of 20

6. The graph of the function y = x and y = tan x intersect at the point

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Question 7 of 20

7. The domain of the binary relation 2x² + 2y² = 18 is

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Question 8 of 20

8. If g(x) = 2x + 1 then the value of g² (1) is

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Question 9 of 20

9. The graph of R1 = {(x, y) | x, y Є R and y > x} is

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Question 10 of 20

10. If f(x) = x and g(x) = x² then the value of (fog) (x) is

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Question 11 of 20

11. The graph of the binary relation y = x² – 6x + 5 represents

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Question 12 of 20

12. The equation having null set as its solution set is

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Question 13 of 20

13. Let : S → S be an identity function and 2 Є S, then the value of f(2) is
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Question 14 of 20

14. The range of the binary relation 4x² + 9y² = 36 is

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Question 15 of 20

15. If R1 = {(x, y) |x, y Є R and x >y} is a binary relation then its inverse is

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Question 16 of 20

16. Let f(x) = 5x + 1, x  R then value of f⁻¹ (6) is,

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Question 17 of 20

17. The domain of binary relation y2 = - 4x is,

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Question 18 of 20

18. Let g = {(1, 1), (2, 3), (3, 2), (4, 4)} be a function from S onto S, then the value of g⁻¹ (2) is,
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Question 18 of 20

Question 19 of 20

19. If f (x) = 2x² – 1 and g(x) = 5x + 2 then value of f [g(2)] is

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Question 20 of 20

20. If f (x) = ax + b, where a, b Є R, a ≠ 0, then f is called a
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Question 20 of 20

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