826 . A is 3 years older than B and 3 years younger than C.B and D are twins How older is C than D
- A. 12 years
- B. 6 years
- C. 3 years
- D. Cannot be Determined
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সমন্বিত ব্যাংক অফিসার (ক্যাশ) || (02-06-2023)
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827 . A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
- A. 11 days
- B. 13 days
- C. 20x3/17 𝑑𝑎𝑦𝑠
- D. None of these
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Bangladesh Bank - Assistant Director - 2016
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828 . A is 30% more efficient than E How much time will they , working together , take to complete a job which A alone could have done in 23 days?
- A. 13 days
- B. 15 days
- C. 10 days
- D. None of these
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Officer (General) |-Sonali | Janata | Bangladesh Krishi_Bangladesh Development bank ২৪.০৫.২০১৯
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829 . A is faster than B,A and B each walk 24km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, A's speed is equal to :
- A. 3 km/hr
- B. 5 km/hr
- C. 4 km/hr
- D. 7 km/hr
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831 . A is the widow of B. B & C were the only children of E. C is unmarried and is a doctor. D is the grand-daughter of E and studies science . How is A related to D ?
- A. aunt
- B. daughter
- C. sister
- D. sister-in-law
- E. None of these
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Bangladesh Bank - Assistant Director - 2009
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835 . A jar contains 4 red toothpicks , 10 blue toothpicks and 6 yellow toothpicks. If three toothpicks are removed from the bag at random and no toothpick is returned to the bag after removal, what is the probability that all three toothpicks will be blue?
- A. 1/2
- B. 1/8
- C. 3/20
- D. 2/19
- E. None of these
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837 . A jar contains milk and water in the ratio 5: 1. If the quantity of milk is more than that of water by 8 liters, then what is the quantity of water?
- A. 1.5 liter
- B. 2 liter
- C. 6 liter
- D. 8 liter
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Bangladesh Bank - Officer - 2001
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840 . A jogger running at 9 km/hr alongside a railway track is 240 meters ahead of the engine of a 120 meters long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger?
- A. 3.6 sec
- B. 18 sec
- C. 36 sec
- D. 72 sec
- E. None of these
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