3241 . There are 40 members in a club; 9/20 of the members are engineers; and 4/5 of the members are male. What can be the possible minimum number of male engineers?
  • A. 10
  • B. 12
  • C. 16
  • D. 20
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প্রিমিয়াম প্ল্যান: ১ মাস
99 ৳
৩০ দিনের জন্য সকল লাইভ এবং আর্কাইভ মডেল টেস্ট, প্রশ্ন ব্যাংক ও লেকচার শিট সহ অ্যাপ এর প্রিমিয়াম সব এক্সেস পাবেন।
সাবস্ক্রিপশন লিংক

3242 . there are 5 red and 3 black in a bag probability of drawing a black ball is
  • A. 5/8
  • B. 1/2
  • C. 3/8
  • D. 1/4
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3243 . There are 8 job applicants sitting in waiting room; 4 women and 4 men. If two of the applicants are selected at random, what is the probability that both will be women?
  • A. 1/2
  • B. 3/7
  • C. 1/4
  • D. 3/14
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3244 . There are 8 more men than women on board of directors of a company. If there are 20 members on the board, how many are men ?
  • A. 6
  • B. 8
  • C. 12
  • D. 14
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3245 . There are 900 students in a school. 4% of them left the school and 50% of the remaining are girls. How many girls remained in the school?
  • A. 432
  • B. 450
  • C. 464
  • D. 448
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3246 . There are deer and peacocks in a zoo. The total number of their heads is 80 and the total number of their legs is 200. How many peacocks are there?
  • A. 20
  • B. 30
  • C. 50
  • D. 60
  • E. None of these
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3247 . There are n students in a school . If r% among the students are 12 years or younger, which of the following expressions represents the number of students who are solder than 12?
  • A. n(1-r)
  • B. n ( 100-r) /100
  • C. n(1-r)/100
  • D. 100(1-r)n
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3248 . There are total 40 dishes of rice and meat. If the ratio of number of rice dish to the number of meat dish is 3 to 2 , how many meat dishes are there?
  • A. 16
  • B. 24
  • C. 8
  • D. 32
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3249 . There are tow examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same . If 20 candidates are sent from B to A, then the number of students in a is double the number of students in B. what is the number of students in room A?
  • A. 20
  • B. 80
  • C. 100
  • D. 200
  • E. None of these
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3250 . There are two numbers such that the sum of twice the first and thrice the second is 39. While the sum of thrice first and twice the second is 36. The larger of the two is :
  • A. 6
  • B. 8
  • C. 9
  • D. 12
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3251 . There are two squares S1 and S2 The ratio of their areas is 4 : 25. If the side of S1 is 6 cm. What is the side of S2 ?
  • A. 20 cm
  • B. 5 cm
  • C. 15 cm
  • D. 12 cm
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3252 . There are two stations of length 162 meters and 120 meters respectively . A train takes 15 seconds to pass first station and 18 seconds to pass another station . Determine the length of the train ?
  • A. 90 m
  • B. 70 m
  • C. 100 m
  • D. 95 m
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3253 . There are _____ numbers between 100 to 400 which are divisible by 11.
  • A. 36
  • B. 27
  • C. 29
  • D. 30
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3254 . There is 60% increase in an amount in 6 years at simple interest. What will be i the compound interest of Tk. 12,000 after 3 years at the same rate?
  • A. Tk. 2160
  • B. Tk. 3120
  • C. Tk. 3972
  • D. Tk. 6240
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3255 . There is a 2 meter wide road surrounding a pond which is 60 meters long and 40 wide. The area covered by the road is:
  • A. 480
  • B. 120
  • C. 1200
  • D. 4800
  • E. None of these
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