481 . What is the prime factorization of 84?
- A. 42 × 2
- B. 2 × 2 × 4 × 6
- C. 2 × 7 × 6
- D. 2 × 2 × 3 × 7
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প্রবেশনারি অফিসার | 02-04-2022
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482 . What is the probability that the product of two integers ( not necessarily different integers ) randomly selected from the numbers 1 through 20, inclusive , is odd ?
- A. 2/3
- B. 1/4
- C. 1/2
- D. 3/4
- E. None of them
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Bangladesh Bank - Assistant Director - 2012
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483 . What is the propability of getting a sum of six if two dices are thrown at once?
- A. 5/36
- B. 7/36
- C. 2/3
- D. 1/36
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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &- Assistant Programmer-০৮/১০/২০২১
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484 . what is the ratio of 3/4 to the product 4 (3/4)?
- A. 1/3
- B. 1/4
- C. 4/9
- D. 9/4
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Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018
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485 . What is the ratio of the total sales of branch B2 for both years to the total sales of branch B4 for both years ?
- A. 2:3
- B. 3:5
- C. 4:5
- D. 7:9
- E. 1:1
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Bangladesh Bank - Assistant Director - 2013 ||
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486 . What is the slope of the line that contains the points ( 1, 3 ) and ( 4, -3 ) ?
- A. -2
- B. -0.5
- C. 1
- D. 2
- E. 3
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Bangladesh Bank - Assistant Director - 2011
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বাংলাদেশ ব্যাংক || সহকারী পরিচালক 28-10-2022
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488 . What is the value of x in the equation 3x -15-6=0?
- A. 7
- B. 8
- C. 9
- D. -9
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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022
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489 . What is the volume of a cylinder with radius 6 and height of 7?
- A. 284π
- B. 252π
- C. 181π
- D. 294π
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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||
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490 . What number divided by 250 gives 15%?
- A. 25
- B. 15
- C. 45
- D. 60
- E. None of these
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491 . What will be the fraction of 4%?
- A. 1/20
- B. 1/50
- C. 1/75
- D. 1/25
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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022
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492 . When a positive integer x is divided by a positive integer y the remainder is 9. If x = 96.12 then what is the value of y?
- A. 96
- B. 25
- C. 48
- D. 75
- E. None of these
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পিকেএসএফ ।। সহকারী ব্যবস্থাপক (16-06-2023)
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494 . When Ehsan was preparing to make a tape from some of his favourite songs, he noticed that the Hadi's song was 1 minute longer than Bonna's song and Niaj;s song was 1 minute less than twice as long as Bonna's song. If the total time for these three songs is 12 minutes, how long is Niaj's song?
- A. 3 minutes
- B. 4 minutes
- C. 5 minutes
- D. 7 minutes
- E. None of these
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495 . When Mr. Sen imports some row materials he has to pay 7% import duty on the portion of the total value of the item in excess of Tk.1000. If the amount of import duty he paid was Tk.87.50 then what was the value of the raw material that he imported?
- A. Tk.1250
- B. Tk.2250
- C. Tk.2500
- D. Tk.2750
- E. None of these