Preference

Question: 3 & 5 are factors of F. We can conclude that--

  1. a.
    3 x 5 = F
  2. b.
    8 is a factor of F
  3. c.
    F is multiple of 15
  4. d.
    3 & 5 are the only factors of F
  5. e.
    None of these
Answer: c

Question: Saif charges Tk.5.00 for every hour he works. Last week he worksd for 8 hours. He spent Tk. 12.00 of the money he earned. Which expression could he used to find how much he had left?

  1. a.
    Tk.5.00 × 8 + Tk.12.00
  2. b.
    Tk.5.00 × 8 - Tk.12.00
  3. c.
    Tk.5.00/8 - Tk.12.00
  4. d.
    (Tk.5.00 × 8)/ Tk.12.00
  5. e.
    None of these
Answer: b

Question: What is the greatest number that divides 84, 144 or 18 without any remainder?

  1. a.
    24
  2. b.
    6
  3. c.
    18
  4. d.
    12
  5. e.
    None of these
Answer: b

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