31 . Out of 120 students, 70% students passed in math and 80% students passed in English. If only 12 students failed in both subjects, how many students passed only in english?
  • A. 10
  • B. 12
  • C. 24
  • D. 36
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বাংলাদেশ সেতু কর্তৃপক্ষ (সহকারী সাব-ইঞ্জিনিয়ার) 18-12-2020
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32 . In recent survey of the student of a public university . It is found that 65% students are good in Mathematics and 45% students are good in Mathematics and 45% students are good in Statistics. How many students are good in both Mathematics and statistics of the public university?
  • A. 20%
  • B. 5%
  • C. 15%
  • D. 10%
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33 . In a class of 60 students, 20 students like Math, 25 students like English and 30 students like Science. If 5 Students like both Math and Science, 8 Students like both English and Science and 3 students like neither of these subjects, how many students like all of the three subjects?  
  • A. 2
  • B. 3
  • C. 4
  • D. 5
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বাংলাদেশ সেতু কর্তৃপক্ষ (সহকারী সাব-ইঞ্জিনিয়ার) 18-12-2020
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34 . In a Class of 120 students numbered 1 to 120, all even numbered students opt for Physics , those whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subject ?
  • A. 19
  • B. 41
  • C. 43
  • D. 51
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পল্লী কর্ম সহায়ক ফাউন্ডেশন সহকারী ব্যবস্থাপক ০২. ০৮.২০১৯
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35 . In a class 120 studets are mile and 100 students are female.25% of the male students and 20% of the female students are engineering students. 20% of the male engineering students and 25% of the students passed the exam ?
  • A. 5%
  • B. 10%
  • C. 16%
  • D. 22%
  • E. None of these
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36 . In a class ,25 students play cricket ,25 play footballand 10 play both.10 play neither cricket nor football.what is the numbar of students in the class?
  • A. 40
  • B. 50
  • C. 60
  • D. 65
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BCSIC নিয়োগ পরীক্ষা - ২০১৮ পদ: এক্সটেনশন অফিসার তারিখ: ০৯-১১-২০১৮
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37 . In a class, 20% of the students are below 20 years of age. The number of students above 20 years of age is two-third of the number of students of 20 years of age which is 48. What is the total number of students in the class?
  • A. 72
  • B. 80
  • C. 96
  • D. 100
  • E. None of these
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38 . In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is two-third of the number of students of 8 years of age which is 48. what is the total number of students in the school?
  • A. 72
  • B. 60
  • C. 80
  • D. 100
  • E. None of these
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39 . If f(x)=5-2x and f(3k)=f(k+1),then f(k)= ?
  • A. 0.5
  • B. 1
  • C. 4
  • D. 8
  • E. None
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তিতাস গ্যাস ট্রান্সমিশন এন্ড ডিষ্ট্রিবিউশন কোম্পানী লি. | সহকারী ব্যবস্থাপক (অ্যাকাউন্টস) | ২৭.০৪.২০১৮
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40 . f(x)=[sinx] ফাংশনের রেঞ্জ কত?
  • A. [−1,1]
  • B. [0, 1]
  • C. [−∞, ∞]
  • D. কোনোটিই নয়
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41 . f(x)=x^2-5x+6 এবং,f(x)=0 হলে x=কত?
  • A. 2,3
  • B. -5,1
  • C. -2,3
  • D. 1,-5
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মৎস্য অধিদপ্তর নিয়োগ পরীক্ষা-২০১৮ | অফিস সহকারী কাম কম্পিউটার মুদ্রাক্ষরিক | ০৯.০৬.২০১৮
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42 . f(x)=x2+1/(x-1) - 1 হলে, কোনটি সঠিক ?
  • A. f(0)=&
  • B. f(1)= -1
  • C. f(1)= 1
  • D. f(-1)= -1/2
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43 . F(x)= x-12 হলে, F(5) = কত?

  • A. ৩৬
  • B. ১৬
  • C. ৩৫
  • D. ২৮
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44 . Each boy contributed money equal to the number of girls and each girl contributed money equal to the number of boys in a class of 60 students. If the total contribution thus collected is Tk. 1,600, how many boys are there in the class?
  • A. 30
  • B. 25
  • C. 50
  • D. 20
  • E. None of these
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দুর্নীতি দমন কমিশনের সহকারী পরিচালক-১২.০৪.২০১৩
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45 . At a college, there are from 2 to 5 introductory English classes each semester, and each of these classes has from 20 to 30 students enrolled. If in one semester 12% of these students enrolled in introductory English fails, what is the greatest possible number of students who failed?
  • A. 12
  • B. 15
  • C. 16
  • D. 180
  • E. Try yourself
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