466 . Two lots of onions with equal quantity, one costing Tk. 10 per kg and the other costing Tk. 15 per kg are mixed together and whole lot is sold at Tk. 15 per kg . What is the profit or loss?
- A. 10% loss
- B. 10 % profit
- C. 20% loss
- D. 20% profit
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Sonali &-Janata Bank | Officer (IT)| 04.01.2019
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Bangladesh Bank - Assistant Director - 2011
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বাংলাদেশ ব্যাংক || সহকারী পরিচালক 28-10-2022
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469 . Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to pupmped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?
- A. 1000
- B. 900
- C. 1200
- D. 1400
- E. 1350
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470 . Two trains of equal length , running in opposite directions, pass a pole in 18 and 12 seconds. The trains will cross each other in -
- A. 15.5 seconds
- B. 18.8 seconds
- C. 20.2 seconds
- D. 14.4 seconds
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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &- Assistant Programmer-০৮/১০/২০২১
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472 . Unless the new reserves are found soon, the world's supply of coal is being depleted in such a way that with demand continuing to grow at present rates, reserves will be exhausted by the year 2050. Which of the following , if true , will weaken he above a
- A. There has been a slowdown in the rate of increase in world demand for coal over the last 5 years from 10% to 5%
- B. It has been known for many years that there are vast stocks of coal under Antarctica which have yet to be economically exploited
- C. Oil is being used increasingly in place of coal for many industrial and domestic uses
- D. As coal resources are depleted more and marginal supplies , which are more costly to produce and less efficient in use , are being mined
- E. Industries are increasingly using fossil fuels, now a days , as the new reserves of such energy have been discovered
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Bangladesh Bank - Assistant Director - 2011
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473 . What is 55% of 12/66 of 270?
- A. 14
- B. 12
- C. 11
- D. 10
- E. None of these
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474 . What is the approximate growth of sales of B5 ?
- A. 18%
- B. 21%
- C. 23%
- D. 27%
- E. 31%
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Bangladesh Bank - Assistant Director - 2013 ||
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475 . What is the average sales of all the branches (in thousands) for the year 2011 ?
- A. 73
- B. 80
- C. 83
- D. 88
- E. 90
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Bangladesh Bank - Assistant Director - 2013 ||
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476 . What is the best possible result for the problem 8/35÷4/15=?
- A. 1/2
- B. 6/7
- C. 32/525
- D. 7/6
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477 . what is the Cartesian product of A ={ 1,2} and B = { a,b } ?
- A. {(1,a),(1,b)(2,a)(b,b)}
- B. {(1,1),(2,2),(a,a),(b,b)}
- C. {(1,a),(2,a), (1,b), (2,b)}
- D. {(1,1),(a,a),(2,a),(1,b)}
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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018
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478 . What is the missing number in the following series ? 1, 4, 9, ?, 25
- A. 15
- B. 16
- C. 17
- D. 18
- E. 19
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Bangladesh Bank - Assistant Director - 2011
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479 . What is the next number in the series 1, 11, 27, 57, ...
- A. 93
- B. 63
- C. 123
- D. 113
- E. None
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480 . 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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