Pair of Linear Equations in Two Variables MCQs Mock Test of 10th Class Math

Welcome to your Pair of Linear Equations in Two Variables MCQs Mock Test of 10th Class Math

1. 
1. The father’s age is six times his son’s age. Four years hence, the age of the father will be four times his son’s age. The present ages, in years, of the son and the father are, respectively

2. 
Q2. The graph of y = 4x is a line

3. 
3. Rakshita has only Rs. 1 and Rs. 2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is Rs 75, then the number of Rs.1 andRs.2 coins is, respectively

4. 
Q4. The pair of equations x = 0 and x = 5 has

5. 
5. In a competitive examination, one mark is awarded for each correct answer while 1/2 mark is deducted for every wrong answer. Jayanti answered 120 questions and got 90 marks. How many questions did she answer correctly?

6. 
Q6. One equation of a pair of dependent linear equations is 2x + 5y = 3. The second equation will be

7. 
7. A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days, and an additional charge for each day thereafter. Reema paid Rs. 22 for a book kept for six days, while Ruchika paid Rs 16 for the book kept for four days, then the charge for each extra day is:

8. 
Q8. The graph of y = 5 is a line parallel to the

9. 
9. The angles of a cyclic quadrilateral ABCD are: Then value of x and y are:

10. 
Q10. If a pair of linear equations is consistent, then the lines will be

11. 
Q11. The value of k, for which the system of equations x + (k + l) y = 5 and (k + l) x + 9y = 8k – 1 has infinitely many solutions is

12. 
Q12. If in the equation x + 2y = 10, the value of y is 6, then the value of x will be

13. 
Q13. The pair of equation x = – 4 and y = – 5 graphically represents lines which are

14. 
Q14. The graph of the equation 2x + 3y = 5 is a

15. 
Q15. If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of a and b are respectively

16. 
Q16. Graphically, the pair of equations 7x – y = 5; 21x – 3y = 10 represents two lines which are

17. 
Q17. If am bl then the system of equations ax + by = c, lx + my = n, has

18. 
Q18. The pair of equations 3x – 5y = 7 and – 6x + 10y = 7 have

19. 
Q19. The graph of x = -2 is a line parallel to the

20. 
Q20. Two equations in two variables taken together are called

21. 
21. Graphically, the pair of equations 7x – y = 5; 21x – 3y = 10 represents two lines which are

22. 
22. The pair of equations 3x – 5y = 7 and – 6x + 10y = 7 have

23. 
23. If a pair of linear equations is consistent, then the lines will be

24. 
24. The pair of equations x = 0 and x = 5 has

25. 
25. The pair of equation x = – 4 and y = – 5 graphically represents lines which are

26. 
26. One equation of a pair of dependent linear equations is 2x + 5y = 3. The second equation will be

27. 
27. If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of a and b are respectively

28. 
28. The graph of x = -2 is a line parallel to the

29. 
29. The graph of y = 4x is a line

30. 
30. The graph of y = 5 is a line parallel to the

31. 
31. Two equations in two variables taken together are called

32. 
32. If am bl then the system of equations ax + by = c, lx + my = n, has

33. 
33. If in the equation x + 2y = 10, the value of y is 6, then the value of x will be

34. 
34. The graph of the equation 2x + 3y = 5 is a

35. 
35. The value of k, for which equations 3x + 5y = 0 and kx + lOy = 0 has a non-zero solution is

36. 
36. The value of k, for which the system of equations x + (k + l)y = 5 and (k + l)x + 9y = 8k – 1 has infinitely many solutions is

37. 
37. The value of k for which the equations (3k + l)x + 3y = 2; (k2 + l)x + (k – 2)y = 5 has no solution, then k is equal to

38. 
38. The pair of equations x = a and y = b graphically represents lines which are

39. 
39. Asha has only ₹1 and ₹2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is ₹75, then the number of ₹1 and ₹2 coins are, respectively

40. 
40. The father’s age is six times his son’s age. Four years hence, the age of the father will be four times his son’s age. The present ages of the son and the father are, respectively

41. 
41. The sum of the digits of a two-digit number is 9. If 27 is added to it, the digits of the number get reversed. The number is

42. 
42. Graphically, the pair of equations 6x – 3y + 10 = 0 2x – y + 9 = 0

43. 
43. The pair of equations x + 2y – 5 = 0 and −3x – 6y + 15 = 0 have:

44. 
44. If a pair of linear equations is consistent, then the lines will be:

45. 
45. The pair of equations y = 0 and y = –7 has

46. 
46. If the lines given by 3x + 2ky = 2 2x + 5y + 1 = 0 are parallel, then the value of k is

47. 
47. The value of c for which the pair of equations cx – y = 2 and 6x – 2y = 3 will have infinitely many solutions is

48. 
48. One equation of a pair of dependent linear equations is –5x + 7y – 2 = 0. The second equation can be

49. 
49. Two numbers are in the ratio 5 : 6. If 8 is subtracted from each of the numbers, the ratio becomes 4 : 5. Then the numbers are:

50. 
50. The solution of the equations x – y = 2 and x + y = 4 is:

51. 
51. For which values of a and b, will the following pair of linear equations have infinitely many solutions? x + 2y = 1 (a – b)x + (a + b)y = a + b – 2

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