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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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