661 . A person buys certain number of marbles at 20 per taka and an equal number at 30 per taka. He mixes them and sells them at 25 per taka. His gain or loss in the transaction is-
  • A. 2% loss
  • B. 4% loss
  • C. 2% gain
  • D. 4% gain
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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)
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662 . A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time , his speed (in km/hr ) must be :
  • A. 6
  • B. 8
  • C. 12
  • D. 15
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Bangladesh Bank - Assistant Director - 2016
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663 . A's marks in Biology are 20 less than 25% of the total marks obtained by him in Biology, Math and Drawing. If his marks in Drawing be 50, what are his marks in Math?
  • A. 50
  • B. 4
  • C. 45
  • D. cannot be calculated
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664 . A, B and C are sisters . D is the brother of E . and E is the Daughter of B. How is A related to D ?
  • A. Sister
  • B. Cousin
  • C. Niece
  • D. Aunt
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Bangladesh Bank - Assistant Director - 2016
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665 . a, b, c, d, e, f are five consecutive odd numbers, their average is-
  • A. 5(a+4)
  • B. abcde/5
  • C. 5(a+b+c+d+e)
  • D. a+b+c+f
  • E. None of these
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দুর্নীতি দমন কমিশনের সহকারী পরিচালক-১২.০৪.২০১৩
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666 . a, b, c, d and e are five consecutive integers in increasing order of size. Which one of the following expression is not odd?
  • A. a+b+c
  • B. ab+c
  • C. ac+e
  • D. ac+d
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ওয়েজ আর্নার্স কল্যাণ বোর্ড || সহকারী পরিচালক (22-11-2024) || 2024
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667 . A, B, C, D and E are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?
  • A. B
  • B. A
  • C. C
  • D. D
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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (10-11-2023)
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668 . A, B and C can complete a pice of work in 14, 6 and 12 days respectively. Working together, they will be complete the same work in:
  • A. 1/24 days
  • B. 7/24 days
  • C. 28/9 days
  • D. 4 days
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সমন্বিত ৫ ব্যাংক || অফিসার (ক্যাশ) (11-03-2022)
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669 . A, B and C enter into a partnership. A contributes one-third of the capital while B contributes as much as A and C together contribute. If the profit at the end of the year amounts to Tk. 900, What would C receive?
  • A. Tk. 200
  • B. Tk. 150
  • C. Tk. 100
  • D. Tk. 300
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670 . A, B and C enter into partnership with investments in the ratio of 5 : 7 : 8. If at the end of the year A's share of profit is Tk.42360, ow much is the total profit?
  • A. Tk.169440
  • B. Tk.183000
  • C. Tk.196700
  • D. Tk.168440
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প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021
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671 . a, b and c positive integers. If b equals the square root of a, and if c equals the sum of a and b, which of the following could he the value of c?
  • A. 21
  • B. 30
  • C. 45
  • D. 331
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672 . A, B and C started a job which they can complete in 2 days. B can do the job in 5 days and C can do it in 4 days. After working for 1 day, both B and C left. How long would it take A to complete the rest of the job?
  • A. 20 days
  • B. 30 days
  • C. 4 days
  • D. 10 days
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673 . A, B C center into partnership with investments in the ratio of 5:7:8. If at the end of the year A's share of profit is Tk. 42360, how much is the total profilt?
  • A. Tk. 169,440
  • B. Tk. 183,000
  • C. Tk. 196,700
  • D. Tk. 168,440
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674 . A, P, R, X, S and Z are sitting in a row. S and Z are in the centre, and A and P are at the ends, R is sitting on the left of A. Then who is sitting on the right of P?
  • A. X
  • B. S
  • C. A
  • D. Z
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আশুগঞ্জ পাওয়ার স্টেশন কোম্পানী লিঃ (APSCL) || সহকারী প্রকৌশলী (মেকানিক্যাল ও ইলেকট্রিক্যাল এন্ড ইলেকট্রনিক্স) (27-09-2024) || 2024
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675 . A,B,C hired a car for Tk. 520 and used it for 7,8 and 11 hours respectively. Hire charges paid by B were :
  • A. Tk. 140
  • B. Tk. 160
  • C. Tk. 180
  • D. Tk. 220
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