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1. The pair of equations 6x - 10y = 7, and - 6x + 10y = 9 have, , (a) a unique solution, , (b) infinitely many solutions, , (c) no solution, , (d) two solutions, , 2. Graphically, the pair of equations, , 7X — y= 5; 28x — 4y = 11 represents two, lines which are, , (a) intersecting at one point, , (b) parallel, , (c) intersecting at two points, , (d) coincident, , 3. The graph of x = -2 is a line parallel to the, (a) x-axis, , (b) y-axis, , (c) both x- and y-axis, , (d) none of these, , 4. The pair of equation x = - 4andy=- 5

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graphically represents lines which are, (a) intersecting at (- 5, — 4), , (b) intersecting at (- 4, — 5), , (c) intersecting at (5, 4), , (d) intersecting at (4, 5), , 5. If in the equation x + 3y = 10, the value, of y is 4, then the value of x will be, , (a) -2, , (b) 2, , (c) 4, , (d) 5, , 6. One equation of a pair of dependent, linear equations is 2x + 5y = 3. The second, equation will be, , (a) 2x + 5y=6, , (b) 3x + 5y=3, , (c) -10x — 25y +15=0, , (d) 10x + 25y=15, , 7. The graph of y = 4x is a line, (a) parallel to x-axis

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(b) parallel to y-axis, (c) perpendicular to y-axis, (d) passing through the origin, , 8. 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, (a) 27, , (b) 72, , (c) 45, , (d) 36, , 9. 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, (a) 27, , (b) 72, , (c) 45, , (d) 36, , 10. Asha has only 21 and %2 coins with, her. If the total number of coins that she, has is 50 and the amount of money with

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her is $75, then the number of %1 and &2, coins are, respectively, , (a) 35 and 15, , (b) 15 and 35, , (c) 35 and 20, , (d) 25 and 25, , 11. The value of k for which the equations, (3k + 1)x + 3y = 2; (k2+1)x+(k—- 2)y=5, has no solution, then k is equal to, , (a) 2, , (b) 3, , (c) 1, , (d) -1, , 12. 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, , (a) 4 and 24, , (b) 5 and 30, , (c) 6 and 36

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(d) 3 and 24, , 13. If a pair of linear equations is, consistent, then the lines are:, (a)Parallel, , (b)Always coincident, , (c)Always intersecting, (d)Intersecting or coincident, , 14. The pair of equations 9x — 5y — 7=0, and 3x — 10y — 9=0 have, , (a) a unique solution, , (b) infinitely many solutions, , (c) no solution, , (d) two solutions, , 15. If 29x + 37y = 103, 37x + 29y = 95 then:, , (a)x=1,y=2, (b)x=2,y=1, (c)x=2,y=3, (d)x=3,y=2, , 16. A pair of linear equations a1x + bly +