2686 . Mr. X can do a job in 8 days and his son can do it in 12 days. How many days will it take to complete the job if they work togethsr?
  • A. 5
  • B. 24/5
  • C. 10
  • D. none of these
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2687 . Mr. X can finish a work in 6 days and Mr. Y can finish the same work in 8 days. How long will it take to finish the work together?
  • A. 7 days
  • B. 6 days
  • C. 8 days
  • D. 24/7 days
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2688 . Mr. X lot a wallet containing Tk. 120. Incidentally, he had only lots of Tk. 2 Tk.3 and Tk.5 denominations in the wallet. If the total number of notes was 30, how many Tk. 5 denomination notes did he has?
  • A. 15
  • B. 16
  • C. 18
  • D. 20
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2689 . Mr. Zaman is insured completely for Tk. 1,50,000 against damages to his machinery. For any damage over Tk. 1,50,000 the insurance company will pay Tk. 1,50,000 plus 15% of the additional damage. For a recent accident, Mr. Zaman was paid Tk. 1,56,000 by the insurance company. What was the total amount to the damage estimated?
  • A. Tk. 1,04,000
  • B. Tk. 90,000
  • C. Tk. 40,000
  • D. Tk. 80,000
  • E. None of these
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2690 . Mr.Karim wants to put up fencing around three sides of his rectangular yard and leave a side of 10 feet unfenced. If the yard has an area of 340 sq. feet, how many feet of fencing does he need?
  • A. 74
  • B. 84
  • C. 64
  • D. None of these
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2691 . Mr.khan invested an amount of TK. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?
  • A. TK. 6400
  • B. TK. 6500
  • C. TK. 7200
  • D. TK. 7500
  • E. None of these
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2692 . Mr X made a fixed deposit of Tk. 10,000 for 1 year at an annual rate of 8 percent commpunded semiannually. Calculate the amount of interest to be paid at maturity?
  • A. Tk. 10814
  • B. Tk. 864
  • C. Tk. 816
  • D. Tk. 480
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2693 . Mr X will be the Chairman of the committee . In how many ways can a committee of 5 member be chosen from a total o f8 people given that Mr. Z must be one them?
  • A. 35
  • B. 70
  • C. 120
  • D. 56
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2694 . Mr. A has won an election by a vote of 250 to 150 . What part of the total vote was against him ?
  • A. 2/5
  • B. 3/5
  • C. 4/7
  • D. 7/15
  • E. 3/8
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2695 . Mr. A is 5 years senior to Mr. B, Mr. B is 3 years senior to Mr. C, Mr. C is 2 years junior to Mr. D in job experience . If Mr. D has is years job experience than how many years of experience possessing Mr. A ?
  • A. 18
  • B. 19
  • C. 20
  • D. 17
  • E. 21
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Bangladesh Bank - Assistant Director - 2010
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2696 . Mr. Jamal employed 50 workers to finish a work within 30 days. After 20 days he found out that only 50% work had been completed. How many additional workers would be need to finish the task in scheduled time?
  • A. 50
  • B. 40
  • C. 60
  • D. 30
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2697 . Mr. Khan's salary is Tk. 5000.00 and he gets 10% commission of his salary. If his salary increased by 10%, by what percent his commission will increase?
  • A. 5%
  • B. 10%
  • C. 20%
  • D. 25%
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2698 . Mr. Zahir bought a 1-year BDT 10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?
  • A. 10,464
  • B. 864
  • C. 480
  • D. 816
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2699 . Ms. Zareen purchased stock for Tk. 15,000 and 2/3 of it after its value doubled. She sold the remaining stock at 5 times its purchase price , what was her total profit?
  • A. Tk. 15,000
  • B. Tk. 20,000
  • C. Tk. 25,000
  • D. Tk. 30,000
  • E. None of these
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2700 . Mujahid can do a work in 8 days, while has colleagues Asad takes 12 days and Mithun takes 16 days to complete the same.Mujahid and Asad started the work and after few days Asad left the work keeping it incomplete. Rest of the work was completed by Mujahid and Mithun in 2 days.How long it took to complete the whole work?
  • A. 4 days
  • B. 5 days
  • C. 6 days
  • D. 8 days
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