661 . 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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662 . 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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663 . 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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664 . 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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665 . 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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666 . A,B and C enter into partnership. A invests some money at the beginning, B invest double the amount after 6 months and C invests thrice the amount after 8 months. If the annual profit be Tk. 27,000, C's share is:
  • A. Tk. 11,250
  • B. Tk. 8,625
  • C. Tk. 9,000
  • D. Tk. 10,800
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667 . A 10% monthly salary increase resulted in a TK. 9000 per year increase in salary for an employee. What was his monthly salary before the increase?
  • A. Tk. 5000
  • B. Tk. 9000
  • C. TK. 7500
  • D. TK. 12000
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Three Combined Bank Recruitment - Senior Officer 03 .08.2018 ||
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668 . A 12 gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and has a drain that lets water out at a rate of 1.5 gallons per minute. If you start with 3 gallons of water in the tub, how long will it take to fill the tub completely?
  • A. 6 minutes
  • B. 7 minutes
  • C. 8 minutes
  • D. 9 minutes
  • E. None of these
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669 . A 2 feet wide circular path is created around a circular field with a radious of r feet. Find the value of r, in feet, if the area of the field including the path is twice that of the field alone?
  • A. 2 + 2√2
  • B. 4√2
  • C. 6√2
  • D. 2√2
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670 . A 20% reduction in price allows a customer to purchase 5 kgs of rice at Tk. 160. How much would have to pay if there was no discount?
  • A. Tk. 180
  • B. Tk. 200
  • C. Tk. 210
  • D. Tk. 240
  • E. None of them
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671 . A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4- digit number 13b7, which is divisible by 11. Then, (a+b)=?
  • A. 10
  • B. 11
  • C. 12
  • D. 15
  • E. None of these
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672 . A 40-meter long rope is cut into two unequal pieces. If one piece is 18 meter longer than the other, what is the length ( in meter ) of the shorter piece ?
  • A. 10
  • B. 11
  • C. 18
  • D. None of these
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Bangladesh Bank - Officer - 2001
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673 . A 40 meters long rope is divided into two parts and the one part is 18 meters more than the other one. What is the smaller part?
  • A. 5 meters
  • B. 6 meters
  • C. 7 meters
  • D. 11 meters
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674 . A 45,000 liter water tank is to filled at the rate 220 liters per minute. Estimates to the nearest half hour, how long it will take to fill the tank?
  • A. 4 hours
  • B. 3.5 hours
  • C. 3 hours
  • D. 2.5 hours
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675 . A 45000 litter water tank is to be filled at the rate of 220 litters per minute. Estimate, to the nearest half an hour, how long it will take to fill the tank?
  • A. 4 hours
  • B. 3.5 hours
  • C. 3 hours
  • D. 2.5 hours
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