2401 . In a certain population, there are times as many people aged 21 or under as there are people over 21. The ratio of those 21 or under to the total population is :
  • A. 1 to 2
  • B. 1 to 3
  • C. 1 to 4
  • D. 2 to 3
  • E. 3 to 4
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2402 . In a certain store, the profit is 320% of the cost. If the cost increases 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
  • A. 30%
  • B. 70%
  • C. 100%
  • D. 250%
  • E. None of these
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2403 . In a certain village, m liters of water are required per household per month. At this rate if there are n households in the village, how long (in months) will p liters of water last?
  • A. p/mn
  • B. mn/p
  • C. mp/n
  • D. np/n
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2404 . In a city, 40% of the adults are illiterate while 85% of the children are literate. If the ratio of the adults to that of the children is 2:3, then what percent of the population is literate?
  • A. 20%
  • B. 25%
  • C. 50%
  • D. 75%
  • E. None of these
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2405 . In a city 90% of the population own a car, 15% own a motorcycle, and everybody owns one or the other or both. What is the percentage of motorcycle owners who own cars?

  • A. 5%
  • B. 15%
  • C. 3313%
  • D. 50%
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Bangladesh Bank - Assistant Director - 2010
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2406 . In a class, 120 students are finance major and 100 students are marketing major, 25% of the finance students and 20% of the marketing students are male. 20% of the male finance student and 25% of the male marketing students passed the final xam. What percentage of male students passed the exam?
  • A. 5%
  • B. 10%
  • C. 16%
  • D. 22%
  • E. None of these
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2407 . In a class, 120 students are male and 100 students are female. 25% of male students and 20% of female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?
  • A. 10%
  • B. 16%
  • C. 22%
  • D. 25%
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বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড ।। সহকারী সচিব/সহকারী পরিচালক(প্রশাসন) (18-01-2019)
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2408 . In a class, 50% of the male students and 2/3 of the female students speak French. If there are 3/4 as many girls as boys, what fraction of the entire class specks French?
  • A. 4/7
  • B. 3/4
  • C. 1/4
  • D. 2/3
  • E. None of these
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2409 . In a class , the number of girls is 20% more than that of boys. The strength of the class is 66. If 4 more girls are admitted to the class , the ratio of the number of boys to that of the girls is -
  • A. 1:2
  • B. 1: 4
  • C. 3 :5
  • D. 3 : 4
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সমন্বিত ৬ (ব্যাংক) ও ২ টি আর্থিক প্রতিষ্ঠান - সিনিয়র অফিসার ১০.০৬.২০১৯
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2410 . 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 ?
  • A. 37.5%
  • B. 50%
  • C. 60%
  • D. 62.5%
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2411 . In a class 25 students play cricket, 25 students play football and 10 students play both. 10 students play neither cricket nor football . What is the number of students in the class?
  • A. 40
  • B. 50
  • C. 60
  • D. 65
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2412 . In a class 75% passed in English, 60% in Mathematics and 25% failed in both the subjects. What is the percentage who passed in both subjects?
  • A. 60%
  • B. 55%
  • C. 50%
  • D. 45%
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জনতা ব্যাংক || অফিসার (আরসি) (28-06-2024) || 2024
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2413 . In a class average the mark in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored less than 60?
  • A. 4
  • B. 8
  • C. 10
  • D. 16
  • E. None of these
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2414 . In a class composed of x girls and y boys what part of the class is composed of girls ?
  • A. y / ( x + y )
  • B. x / xy
  • C. x / ( x + y)
  • D. y / xy
  • E. None of these
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Bangladesh Bank - Assistant Director - 2009
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2415 . In a class composed of x girls and y boys what part of the class is composed of girls?
  • A. y / (x + y)
  • B. x / xy
  • C. x / (x + y)
  • D. y / xy
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