3916 .  If 3x-5y=5 and x x + y = 5 7   t h e n   w h a t   i s   t h   v a l u e   o f   x − y   i s −
  • A. -3
  • B. 3
  • C. 6
  • D. 9
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3917 .  If a2 - b2 = 20, a+b = 5, what is the value of a - b ?
  • A. 3
  • B. 15
  • C. 5
  • D. 4
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3918 .  If you divide 30 by half and add 10 with the resulting figure , then what is the final result ?
  • A. 25
  • B. 70
  • C. 45
  • D. 55
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Bangladesh Bank - Assistant Director - 2015
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3919 .  If  9 2 x + 1 = 81 ,   t h e n   x = ?
  • A. 1/2
  • B. 3/2
  • C. 7/2
  • D. 5/2
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3920 .  If  log x 144 = 4 then find the value of x.
  • A. 16
  • B. 3 √ 2
  • C. 2 √ 3
  • D. √ 6
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সোনালী ও জনতা ব্যাংক - অফিসার(আইটি) - 02.10.2021
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3921 .  In a certain code, AWAKE is written as ZVZJD. How is FRIEND written in that code?
  • A. EQHDMF
  • B. UOHDMF
  • C. UHODMF
  • D. Try your self
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Bangladesh Bank - Assistant Director - 2015
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3922 .  In a crime , three suspects X, Y, and Z were caught and questioned . Each person said, "One of the other two stole it . I did not do it. " Later on the police found out that Z was lying and these was only one thief . Who was the thief?
  • A. X
  • B. Y
  • C. Z
  • D. Someone else
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Bangladesh bank - officer ( general) - 27.04.2018
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3923 .  In a set of 3 numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
  • A. 3
  • B. 2
  • C. 2.5
  • D. 3.5
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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (10-11-2023)
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3924 .  In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many will he have to take out of his pocket to ensure that he has taken out at least one of each color?
  • A. 3
  • B. 8
  • C. 9
  • D. 11
  • E. None of these
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3925 .  P and Q are two positive integers such that PQ = 64 Which of the following cannot be the value of P +Q? 
  • A. 16
  • B. 20
  • C. 35
  • D. 65
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বাংলাদেশ ব্যাংক || সহকারী পরিচালক (AD) (20-10-2023)
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3926 .  Replace the question mark of the series 2B, 4C, 8E, 14H, (?) from the following alternatives.
  • A. 22I
  • B. 20L
  • C. 22L
  • D. 16K
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3927 .  siddik has a new set of golf clubs . using a club 8,7, and 6 ball travels an average distance of 100 m, 108 m, 114 m, respectively , How far will the ball go if he uses a club 5 ?
  • A. 122m
  • B. 120m
  • C. 118m
  • D. 116m
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Bangladesh bank - officer ( general) - 27.04.2018
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3928 .  The length of a rectangle is 18 cm and its breadth is 10 cm, When the length is increased to 25 cm, what will be the breadth of the rectangle if the area remains the same?
  • A. 7 cm
  • B. 7.1 cm
  • C. 7.2 cm
  • D. 7.3 cm
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3929 .  The present ages of M and N are in the ratio of 6: 4. Five years age, age, their ages were in the ratio of 5: 3. How old is M now
  • A. 42
  • B. 24
  • C. 30
  • D. 36
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Standard Bank Plc || Trainee Assistant Officer (15-03-2025) || 2025
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3930 .  There are 5 doors to a lecture room. In how many ways can a student enter the room through a door and leave the room by a different door?
  • A. 10
  • B. 20
  • C. 9
  • D. 325
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সহকারী পরিচালক(AD) -12.11.2021
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