Preference
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Ratio, Proportion and Partnership

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Question: A sum of money is to distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Tk. 1000 more than D, what is B's share?

  1. a.
    Tk. 500
  2. b.
    Tk. 1500
  3. c.
    Tk. 2000
  4. d.
    None of these
Answer: c

Question: For a certain student the average of five test scores is 83. If four of the scores are 81, 79, 85 and 90. What is the score of the fifth test?

  1. a.
    83
  2. b.
    82
  3. c.
    81
  4. d.
    80
  5. e.
    79
Answer: d

Question: Coffee A normally costs Tk.100 per lb. It is mixed with coffee B, which normally costs Tk.70 per lb, to from a mixture that costs Tk.88 per lb. If there are 10 lbs of the mix, how many pounds of coffee A is used in the mixture?

  1. a.
    4
  2. b.
    6
  3. c.
    5
  4. d.
    7
  5. e.
    None of them
Answer: b

Question: If x : y = 2 : 3, and m : n = 9 : 4, find the ratio xn : ym.

  1. a.
    27 : 8
  2. b.
    3 : 2
  3. c.
    2 : 3
  4. d.
    8 : 27
  5. e.
    None of these
Answer: d

Question: Babu hired a labor to clean his garden for Tk.35.50. He was very happy with the cleaning and paid the labor bonus in addition to the original agreed Tk.35.50. If the bonus was more than 10 percent but less than 15 percent of the contract amount, then the total amount paid must have been between Tk.

  1. a.
    40 & 42
  2. b.
    39 & 41
  3. c.
    38 & 40
  4. d.
    37 & 39
  5. e.
    None of these
Answer: b

Question: A football team had a ratio of win to loss of 3 : 1. After wining 6 games in a row the team's ratio of win to loss became 5 : 1. How many games had the team won before it the six games?

  1. a.
    9
  2. b.
    6
  3. c.
    3
  4. d.
    12
  5. e.
    24
Answer: a

Question: In making a ratio set the costs of labor and material are in the ratio 3 : 2. A manufacturer sells a set of Tk.150 to make a gain of 25% on the cost. What is the cost of the meterial for the set?

  1. a.
    Tk.54
  2. b.
    Tk.48
  3. c.
    Tk.40
  4. d.
    Tk.72
  5. e.
    Tk.60
Answer: b

Question: If Anwar's salary is 25% greater than that of Babu, what is the ratio of the salary of Babu and Anwar?

  1. a.
    3/4
  2. b.
    4/5
  3. c.
    4/3
  4. d.
    25/85
  5. e.
    None of these
Answer: b

Question: In what ratio must tea at Tk. 62 per kg be mixed with tea at Tk. 72 per kg so that the mixture must be worth Tk. 64.50 per kg?

  1. a.
    3 : 1
  2. b.
    3 : 2
  3. c.
    4 : 3
  4. d.
    3 : 5
Answer: a

Question: In a class the ratio of the number of boys to girls is 5 : 3. What percent of the students of the class are girls?

  1. a.
    37.5%
  2. b.
    50%
  3. c.
    60%
  4. d.
    62.5%
Answer: a

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