Preference

Question: If x and y are prime numbers, which of the following cannot be the sum of x and y?

  1. a.
    5
  2. b.
    9
  3. c.
    13
  4. d.
    23
  5. e.
    None of these
Answer: d

Question: Which of the following is not an integer?

  1. a.
    9.98
  2. b.
    2
  3. c.
    -3
  4. d.
    0
  5. e.
    None
Answer: a

Question:

If x = -1, then - (x4 + x3 + x2 + x) =

  1. a.

    - 10

  2. b.

    - 4

  3. c.

    0

  4. d.

    4

  5. e.

    10

Answer: c

Question: The least number of 4 digits which is a perfect square, is:

  1. a.
    1000
  2. b.
    1016
  3. c.
    1024
  4. d.
    1036
Answer: c

Question: 1 + 2 + 3 + ........ + 100 =?

  1. a.
    5000
  2. b.
    5055
  3. c.
    5550
  4. d.
    5050
Answer: d

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