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1. If ‘p’ and ‘q’ are two positive integers, and p2 – q2 = 11, then what is the value of ‘pq’?

     11
     22
     30
     45
     -11

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2. The function f(x) is defined as f(x) = 2x – k. If the function value, f(3) = -4, then what is the value of f(3k)?

     10
     20
     30
     40
     50

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3. In a box there are 5 blue pens and 6 green pens. If Ben needs 2 pens out from the box and hence randomly picks one pen after another without replacement, then what is the probability of Ben selecting two green pens?

     6/11
     4/11
     2/11
     3/11
     2/6

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4. If given G = 3(x + y)/ 2 and H = 6xy/ (x + y) and let G = H, then which of the following must be true?

     x = y
     x + y = 0
     xy = 1
     x = 0 and y = 0
     x = 1 and y = 1.

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5. A circle with center O at (4, -3) has the Y-axis as its tangent. The area of the circle is?

     4pi
     8pi
     16pi
     12pi
     9pi

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6. Which of the following is equivalent to the expression: 5(1 + i)/ (4 – 3i)?

     5(1 – i)
     (1 + 7i)/ 5
     (1 – 7i)/ 5
     5 (4 + 3i)
     (4 + 3i)/ 5

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7. 69 is what percent of 1150?

     3%
     6%
     11%
     15%
     69%

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