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1. Given that ‘x’ and ‘y’ are two positive integers. If the value of x2 – y2 = 11, then what is the value of ‘xy’?

     5
     16
     11
     30
     44

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2. The operation r & s is defined by r & s = (r + s)/ 3s. If (k& 2 = 5), then which of the following could be a possible value of ‘k’?

     10
     15
     18
     22
     28

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3. If Carl can paint a room in 2 hours and Andy can paint the same room in 3 hours, then how many hours will it take if both Carl and Andy work together?

     5
     0.83
     1.2
     1.8
     1

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4. Given the function, f(x) = 3x – p. If f(2) = -4, then what is the value of f(3p)?

     0
     10
     40
     30
     20

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5. If |4x - 5| ≤ 3, then which of the following exactly describes the interval of ‘x’?

     x >= -1/2
     x <= -1/2
     x >= -2
     x <= 1/2 or x >= 2
     1/2 <= x <= 2

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6. If the graph of two lines x – 2y + 3 = 0 and 2x + y – 4 = 0 intersect each other, what is their point of intersection on the X-Y coordinate plane?

     (1, 2)
     (-1, -2)
     (2, 1)
     (-2, -1)
     (4, -3)

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7. In a triangle ABC, the measure of the angles are (x + 4)°, (2x + 9)° and (3x  -7)°. The value of ‘x’ is?

     15
     12
     25
     33
     29

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