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1. If the discriminant of a quadratic equation is -9, then the number of real roots the equation has are:

     0
     1
     2
     3
     4

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2.  If f(x) = 3x + k and f(-3) = 2, then the value of ‘k’ is:

     0
     5
     -8
     11
     13

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3. If (a + i) (2 + i) = 3 + 4i, then what is the value of ‘a’?

     0
     1
     2
     3
     4

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4. The slope of a line parallel to the line 4x – y + 8 is:

     2
     3
     4
     -2
     -4

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5.  If Josh can paint a house in 5 hours and Jake can paint a house of exactly same size in 7 hours, then how many hours will it take to paint the house if both work together?

     6.0
     4.74
     3.16
     2.68
     2.92

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6. The simplified expression to the expression (√3 + 1)/ (√3 – 1) is:

     2 + √3
     2 - √3
     1 + √3
     1 - √3
     4 + √3

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7.  If Mike runs a distance of 160m in a time period of 40 seconds, then the speed with which he is running is:

     2m/sec
     5m/sec
     8m/sec
     4m/sec
     12m/sec

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