Preference

Question:

If x is not a negative number, what is the maximum possible value of 22 - 3x?

  1. a.

    4

  2. b.

    3

  3. c.

    2

  4. d.

    1

  5. e.

    None of these

Answer: b

Question:

If 32a + b = 16a + b, then a =?

  1. a.

    -b

  2. b.

    b + 2

  3. c.

    2b

  4. d.

    3b

Answer: a

Question:

(√7 + √7)2 =?

  1. a.

    98

  2. b.

    49

  3. c.

    28

  4. d.

    21

  5. e.

    14

Answer: c

Question:

If x3 = 729 then what is x?

  1. a.

    9

  2. b.

    7

  3. c.

    6

  4. d.

    16

  5. e.

    243

Answer: a

Question:

If (16)2x + 3 = (4)3x + 6 then x =?

  1. a.

    -3

  2. b.

    1

  3. c.

    0

  4. d.

    -1

Answer: c

Question:

If 82x + 3 = 22x + 6 then x =?

  1. a.

    -3

  2. b.

    -1

  3. c.

    0

  4. d.

    8

  5. e.

    None of these

Answer: e

Question:

((am)n)p =?

  1. a.

    amnp

  2. b.

    a12mnp

  3. c.

    am + n + p

  4. d.

    a12m12n12p

Answer: Answer not available.

Question:

If xaxb = 1 and x ≠ 1 then a + b =?

  1. a.

    0

  2. b.

    -1

  3. c.

    x

  4. d.

    1

  5. e.

    None of these

Answer: a

Question:

If x4 = 81 and y2 = 49, then the maximum possible value of y - x?

  1. a.

    21

  2. b.

    10

  3. c.

    4

  4. d.

    -4

  5. e.

    -10

Answer: b

Question:

If 2x = 24 × 83 × 42210, then x =?

  1. a.

    4

  2. b.

    5

  3. c.

    6

  4. d.

    7

  5. e.

    None of these

Answer: d

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