556 . y²-15y +56=0, then y=?
  • A. -5 & 6
  • B. -7 & 8
  • C. 6 & 9
  • D. 7 & 8
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557 .  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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558 .  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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559 .  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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560 .  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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561 .  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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562 .  If an article is sold at a gain of 6% insted of at a loss of 6% then the seller gets Tk.6 more. The CP of the article is--
  • A. 100
  • B. 106
  • C. 50
  • D. 94
  • E. 75
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563 .  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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564 .  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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565 .  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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566 .  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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567 .  Which one of the following is greater than 2/3?
  • A. 33/50
  • B. 8/11
  • C. 3/5
  • D. 13/27
  • E. None of these
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568 . ½ × ¾ × 8/4 ÷ 8/2 × ½ =
  • A. 3/32
  • B. 3/8
  • C. 2/3
  • D. 1
  • E. 3/2
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569 . যদি কাঁচ পানি অপেক্ষা ৩.৫ গুণ বেশি ভারী হয়, তবে ৫০ ঘন সেন্টিমিটার কাঁচের ওজন কত?
  • A. ১০০ গ্রাম
  • B. ১৭৫ গ্রাম
  • C. ৫০০ গ্রাম
  • D. ১০০০ গ্রাম
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প্রাক-প্রাথমিক সহকারী শিক্ষক নিয়োগ পরীক্ষা-2015-(১৭ জেলা-01) (30-10-2015)
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570 . ∫Indx=?
  • A. 1/x
  • B. ∞
  • C. x(In x-1)
  • D. x(In x+1)
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পররাষ্ট্র মন্ত্রণালয় | ব্যক্তিগত কর্মকর্তা | 24-02-2022
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