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MCQs for Pair of Linear Equations in Two Variables
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MCQs for Pair of Linear Equations in Two Variables
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21 Questions

1. 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
2. The graph of x = -2 is a line parallel to the
3. The value of k, for which equations 3x + 5y = 0 and kx + lOy = 0 has a non-zero solution is
4. If am bl then the system of equations ax + by = c, lx + my = n, has
5. The pair of equations x = 0 and x = 5 has
6. 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
7. The graph of the equation 2x + 3y = 5 is a
8. The pair of equation x = – 4 and y = – 5 graphically represents lines which are
9. One equation of a pair of dependent linear equations is 2x + 5y = 3. The second equation will be
10. The graph of y = 4x is a line
11. The graph of y = 5 is a line parallel to the
12. Two equations in two variables taken together are called
13. If in the equation x + 2y = 10, the value of y is 6, then the value of x will be
14. 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
15. 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
16. 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
17. Graphically, the pair of equations 7x – y = 5; 21x – 3y = 10 represents two lines which are
18. The pair of equations 3x – 5y = 7 and – 6x + 10y = 7 have
19. The pair of equations x = a and y = b graphically represents lines which are
20. If a pair of linear equations is consistent, then the lines will be
21. 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

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