526 . 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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527 . y2-15y+56=0, then y=?

  • A. -5 & 6
  • B. -7 & 8
  • C. 6 & 9
  • D. 7 & 8
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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||
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528 . 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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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &amp- Assistant Programmer-০৮/১০/২০২১
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529 . 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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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022
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530 . 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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531 . y²-15y +56=0, then y=?
  • A. -5 & 6
  • B. -7 & 8
  • C. 6 & 9
  • D. 7 & 8
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532 .  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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533 .  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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534 .  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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535 .  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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536 .  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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537 .  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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538 .  Rahim, Karim and James paid a total of Tk. 45 for their dinner at a restaurant. If Rahim paid of the total amount, Karim paid Tk.17 and James paid the rest then what fraction of the total amount did james pay?
  • A. 2
  • B. 14
  • C. 1
  • D. 7
  • E. None of these
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539 .  The charge of a room at Sheraton is 25% less than that of a room at Westin and 10% less than that of a room at Sonargoan. By what percent is the charge of a room at Westin is greater than that of Sonargaon?
  • A. 15%
  • B. 17%
  • C. 19%
  • D. 20%
  • E. None of these
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540 .  Two-fifths of the caps in box are red, one-fourth is blue and the rest are green. What is the ratio of the green caps to the blue caps?
  • A. 5 : 8
  • B. 5 : 7
  • C. 7 : 8
  • D. 8 : 7
  • E. 7 : 5
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