286 . If a books bought at prices ranging from Tk.200 to Tk.350 are sold at prices ranging from Tk.300 to Tk.425. What is the greatest possible profit that might be made in selling books?
  • A. 600
  • B. 400
  • C. 450
  • D. 500
  • E. 1800
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287 . If A can do 1 /4 of a work in 3 days and B can do 1 /6 of the same work in 4 days , how much will A get if both work together and are paid Tk. 180 in all ?
  • A. Tk. 60
  • B. Tk. 120
  • C. Tk. 90
  • D. Tk. 180
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Officer (General) -Ansar VDP Unnayan | BD House Building Finance Corporation 28.09.2018
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288 . If a cube has a length of 8 cm , what is its total surface area?
  • A. 64
  • B. 96
  • C. 384
  • D. 256
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Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018
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289 . If a:b=1:3, b:c=5:7 then what is the value of a:b:c?
  • A. 3:5:7
  • B. 5:9:15
  • C. 5:15:21
  • D. 4:13:24
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290 . If a:b=4 and b:c=5 than a:b:c=?
  • A. 8: 15: 12
  • B. 20: 35: 42
  • C. 20: 35: 24
  • D. None
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বাংলাদেশ ব্যাংক || সহকারী পরিচালক 28-10-2022
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291 . If an investor gets Tk. 19500 as interest after 5 years on his savings of Tk. 13,000. what is the rate of interest ?
  • A. 8%
  • B. 5%
  • C. 10%
  • D. 30%
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Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018
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292 . If b + a = x and a - b = y, then a2 - b2 =
  • A. (x2 - y2)/2
  • B. (x2 - y)/2
  • C. 2xy
  • D. xy/2
  • E. xy
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293 . If both length and width of a rectangular plot for a garden are increased by 20%, how many percent of the plot would be increased?
  • A. 20
  • B. 24
  • C. 36
  • D. 40
  • E. None of these
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294 . If both x and y are integers and x = 24y + 12, then which of the following must be true?
  • A. x/12 is even
  • B. x/6 is even
  • C. (x + 4)/8 is odd
  • D. (x + 4)/8 is even
  • E. None of these
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295 . If determinant of a matrix A is Zero than :
  • A. A is a Singular matrix
  • B. A is a non - Singular Matrix
  • C. First and last rows of the matrix must be same
  • D. First and last columns of the matrix must be same
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Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018
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296 . If each angle of a regular polygon is 162°, how many sides does it have?
  • A. 12
  • B. 10
  • C. 8
  • D. 16
  • E. 20
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297 . If each side of a rectangle is increased by 20% , the increase in the area of a rectangle will be______
  • A. 50%
  • B. 35%
  • C. 40%
  • D. 44%
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298 . If for a square matrix A , A2=A then such a matrix is known as :
  • A. Idempotent matrix
  • B. Orthagonal matrix
  • C. Null matrix
  • D. Identity matrix
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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018
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299 . If for integer x, 5 < x < 10 and y = x + 5. What is the greatest possible value of x + y ?
  • A. 32
  • B. 22
  • C. 23
  • D. 27
  • E. None of them
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Bangladesh Bank - Assistant Director - 2012
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300 . If in 2000 there were 61,000 people living per square mile in Mirpur, what is the approximate area of Mirpur ?
  • A. 15 sq miles
  • B. 18 sq miles
  • C. 21 sq miles
  • D. 30 sq miles
  • E. 36 sq miles
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Bangladesh Bank - Assistant Director - 2013 ||
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