3586 . two workers, working sepparately but at the same speed,take 2 hours 40 minutes to complete a particular task.How long will one of these two workers take to complete the same task alone?
  • A. 1 hour 20 minutes
  • B. 4 hours 40 minute
  • C. 5 hours
  • D. 5 hours 20 minute
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3587 . Two years ago, Tim was three times as old as susie . Today he is twice as old as susie. How old is Tim today?
  • A. 2
  • B. 4
  • C. 6
  • D. 8
  • E. None of them
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3588 . Unscramle the letters of the following words and find the odd one out.
  • A. LAFOLOT
  • B. RTCEIKC
  • C. ETBLA
  • D. OLFG
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3589 . Walking three-fourth of his normal speed, Rafi is 16 minutes late in reaching his office. The usual time taken by him to cover the distance between his home and office.
  • A. 48 min
  • B. 60 min
  • C. 42 min
  • D. 64 min
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বাংলাদেশ টেলিযোগাযোগ নিয়ন্ত্রণ কমিশন || সহকারী পরিচালক (19-02-2021)
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3590 . Water flows into an empty 64-gallon drum through pipe A and follows out through pipe B. If the rate of flow through A is 2 gallons/h, how many gallons per hour must flow out through pipe B so that the drum is full in exactly 96 hours?
  • A. 2/3
  • B. 4/3
  • C. 5/2
  • D. 3/8
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3591 . Water has been poured into an empty rectangular tank at the rate of 5 cubic feet per minute for 6 minutes. The length of the tank is 4 feet and the width is one half of the length. How deep is the water in the tank?
  • A. 7.5 inches
  • B. 3 ft. 9 inches
  • C. 3 ft. 7.5 inches
  • D. 7 fit. 6 inches
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বাংলাদেশ বনশিল্প উন্নয়ন কর্পোরেশন সহকারী ব্যবস্থাপক-০২.০৮.২০১৩
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3592 . Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is--
  • A. 4% increase
  • B. 4% decrease
  • C. 5% decrease
  • D. No change
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3593 . Wendy has 5 pairs of pants and 8 shirts. How many different combinations can she make with these items?
  • A. 13
  • B. 24
  • C. 40
  • D. 21
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সহকারী পরিচালক(AD) -12.11.2021
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3594 . What mathematical operation should come at the place of '?' in the equation : 2 ? 6 - 12 ÷ 4 + 2 = 11
  • A. +
  • B. -
  • C. ×
  • D. ÷
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Bangladesh Bank - Assistant Director - 2016
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3595 . What percentage of numbers from 1 to 70 have squares that end in the digit 1 ?
  • A. 14
  • B. 12
  • C. 20
  • D. 21
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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)
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3596 . What's the area of a square in square meter if its perimeter is 80?
  • A. 220
  • B. 300
  • C. 400
  • D. 640
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3597 . What amount of money invested would earn interest of Tk.200 over 4 years at 10% simple interest rate?
  • A. 500
  • B. 450
  • C. 550
  • D. None
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Bangladesh Bank - Assistant Director - 2001
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3598 . What-annual-rate-was-paid-if-Tk--50000-earned-Tk--3000-interest-in-two-years
  • A. 3%
  • B. 5%
  • C. 2%
  • D. 6%
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Bangladesh Bank - Assistant Director - 2001
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3599 . What are all values of x that satisfy the equation x2 + 4x + 3 = 0?
  • A. - 3
  • B. - 1
  • C. - 3 and - 1
  • D. 3 and 4
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3600 . What are the two roots of the equation x2+7x+12=?

  • A. 1 & 7
  • B. 3 & 4
  • C. -3 & 4
  • D. 2 & 3
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সমন্বিত ৫ ব্যাংক || অফিসার (ক্যাশ) (11-03-2022)
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