541 . Working alone Abu can finish a job in 40 days. Labu can do the same job in 60 days working alone. They start working together and work for 18 days. Then Harun joined them. The three men working together finished the job in 5 more days. In how many days could Harun finish the job working alone?
  • A. 120
  • B. 80
  • C. 72
  • D. 96
  • E. None of them
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প্রিমিয়াম প্ল্যান: ১ মাস
99 ৳
৩০ দিনের জন্য সকল লাইভ এবং আর্কাইভ মডেল টেস্ট, প্রশ্ন ব্যাংক ও লেকচার শিট সহ অ্যাপ এর প্রিমিয়াম সব এক্সেস পাবেন।
সাবস্ক্রিপশন লিংক

542 . X, Y & Z has started a business with a profit sharing ratio 7:8:9. If at the end of the year, Y gets a total of Taka 4,000, what will be Z's profit?
  • A. Tk. 4500
  • B. Tk. 4000
  • C. Tk. 3500
  • D. Tk. 5500
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543 . X, Y and Z can do a piece of work in 6 hours. X and Y can do the same work in 8 hours and Z can the same work in 12 hours . In how many times will X and Z do the same work?
  • A. 6 hours
  • B. 8 hours
  • C. 10 hours
  • D. 12 hours
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Officer (General) -Ansar VDP Unnayan | BD House Building Finance Corporation 28.09.2018
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544 . x2+x−20=?
  • A. (x-5)(x+4)
  • B. (x+5)(x-4)
  • C. (x-10)(x-2)
  • D. (x-10)(x+2)
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545 . x=-4,-2,1,3 y=-1,4,5 If x is a number from set X, and y is a number from set Y. The probability that x + y is positive is closest to ..

  • A. 0.5
  • B. 0.6
  • C. 0.7
  • D. 0.8
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Global Islami Bank || Probationary Officer (10-02-2024) || 2024
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546 . You are lookng at a billboard 40m away with an angle of elevation of 30°30°. At what height is the billboard?
  • A. 20
  • B. 30
  • C. 40
  • D. 50
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547 . You have saved 135 Taka by purchasing a blanket with15% discounton it. What is the quoted price of the blanket in Taka?
  • A. 467
  • B. 900
  • C. 767
  • D. 1080
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548 . You need to plant three along the perimeter of a rectangle whose width is 20 ft and length 60 ft. The distence between each plant should be 5 ft. How many trees will you need?
  • A. 33
  • B. 34
  • C. 35
  • D. 31
  • E. 32
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549 . y²-15y +56=0, then y=?
  • A. -5 & 6
  • B. -7 & 8
  • C. 6 & 9
  • D. 7 & 8
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550 .  A club has 8 male & 8 female members. The club is choosing a committee of 6 members. The committee must have 3 male & 3 female members. How many different committees can be chosen?  

  • A. 720
  • B. 112
  • C. 9
  • D. 3136
  • E. 112896
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551 .  A dealer sells a Radio at a gain of 10%. If he had bought it at 10% less and sold it for Tk.132 less. He would have still gained 10%. The CP of the Radio is--
  • A. 1320
  • B. 1400
  • C. 1188
  • D. 1200
  • E. 1360
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552 .  A line segment is drawn from point (8, -2) to point (4,6). The coordinates of the mid point of this line segment are--
  • A. (12, 4)
  • B. (12, 8)
  • C. (6, 4)
  • D. (6,2)
  • E. None of these
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553 .  A rectangular carpet, that is 9 feet by 12 feet, covers 60% of a rectangular floor. What is the area of the floor?
  • A. 300 square feet
  • B. 180 square feet
  • C. 108 square feet
  • D. 64.8 square feet
  • E. 64.8 feet
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554 .  Ali buys 1440 dozen pens @ Taka 2.50 a dozen and sells them @ Taka 0.24 a piece. Find his total profit?
  • A. Tk.60.00
  • B. Tk.72.00
  • C. Tk.720.00
  • D. Tk.874.00
  • E. Tk.8740
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555 .  If m and n are positive integers, which of the following must be an even integer?
  • A. n(m - 1)
  • B. (n - 1)m
  • C. (m - 1)(n - 2)
  • D. n(n - 1)(m - 1)
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