Preference

Question: Which of the following is a prime number?

  1. a.
    2
  2. b.
    0
  3. c.
    1
  4. d.
    143
  5. e.
    None
Answer: a

Question: The average of 3 numbers is 7. If 2 of the numbers are zero, then what is the 3rd number?

  1. a.
    15
  2. b.
    17
  3. c.
    19
  4. d.
    21
  5. e.
    None of them
Answer: d

Question: 1, 2, 3, 5, 7, ......

  1. a.
    9
  2. b.
    11
  3. c.
    14
  4. d.
    16
Answer: b

Question: The sum of two numbers is 25 and their difference is 13. Find their product.

  1. a.
    104
  2. b.
    114
  3. c.
    315
  4. d.
    325
Answer: b

Question: If n and p are both even number, which of the following number must be an odd number?

  1. a.
    n +2p
  2. b.
    np + 1
  3. c.
    n + p
  4. d.
    2n + p
  5. e.
    none of these
Answer: b

Question:

(-1)2 - (-1)3 =

  1. a.

    -2

  2. b.

    -1

  3. c.

    0

  4. d.

    2

  5. e.

    1

Answer: d

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