Preference

Question:

If 0 < a2 < b, which of the following statements is/are always true? i. a < b/a ii. a4 < a2b iii. a2/b < 1

  1. a.

    i only

  2. b.

    i and ii

  3. c.

    ii and iii

  4. d.

    i and iii

  5. e.

    i, ii and iii

Answer: c

Question: 2 bats and 2 balls cost Tk.300. 5 bats and 5 balls cost Tk.750. 3 bats and 3 balls cost--

  1. a.
    Tk.400
  2. b.
    Tk.450
  3. c.
    Tk.500
  4. d.
    Tk.550
Answer: b

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