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542 . 2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?
- A. 2 hours
- B. 2.5 hours
- C. 3 hours
- D. 3.5 hours
- E. None of these
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543 . 2-[ 2 - { 2 - 2 ( 2 +2 ) } ] = ?
- A. -4
- B. 6
- C. 4
- D. None of these
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Bangladesh Bank - Officer(Cash) - 2016
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544 . 2-[2-{-2-2(2+2)}]=?
- A. 6
- B. -4
- C. 4
- D. None of these
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545 . 20% of 0.2 is equal to--
- A. 1
- B. 4
- C. 0.4
- D. 0.04
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Sonali- Janata &- Agrani Bank Offier (Cash Recruitment) 22.02.2008
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Agrani Bank Ltd. Recruitment Test for Senior Officer 12.02.2010
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547 . 20 workers can finish a task in 30 days. How many additional workers are needed to finish the same task in 25 days?
- A. 6
- B. 8
- C. 10
- D. 12
- E. None of these
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সমন্বিত ৭ ব্যাংক || সিনিয়র অফিসার-05-11-2021 ||
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549 . 2log105 + log10 36 - log10 9 = ?
- A. 2
- B. 100
- C. 37
- D. 4.6
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550 . 2m+1 - 2m = ?
- A. 2
- B. 4
- C. 2m
- D. 2m+1
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551 . 3, 9, 5, 11, 7, ...
- A. 9
- B. 10
- C. 13
- D. 15
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552 . 3 & 5 are factors of F. We can conclude that--
- A. 3 x 5 = F
- B. 8 is a factor of F
- C. F is multiple of 15
- D. 3 & 5 are the only factors of F
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554 . 3.003/2.002 =?
- A. 1.05
- B. 1.5
- C. 1.501
- D. 1.5015
- E. none of them
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555 . 3 liters of water is added to 15 liters of mixture of a 20% solution of alcohol in water. The strength of alcohol is now--
- A. 24%
- B. 16%
- C. 25/2%
- D. 50/3%
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