16 . xyz =240 হলে y এর মান কোনটি হতে পারে না?
  • A. 2
  • B. 3
  • C. 5
  • D. ০
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প্রাক-প্রাথমিক সহকারী শিক্ষক নিয়োগ পরীক্ষা-2016-(মুক্তিযোদ্ধা কোটা) (29-10-2016)
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17 . x-y=2 এবং xy=24 হলে, x-এর ধনাত্মক মানটি ----
  • A. 3
  • B. 4
  • C. 5
  • D. 6
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৩৫ তম বিসিএস প্রিলিমিনারি টেস্ট (06-03-2015)
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18 . Points A, B, X, and Y are on a straight line, but not necessarily in that order. Given the lengths AB=12, BX=2, and XY=8, what is the length AY?
  • A. 12
  • B. 6
  • C. 18
  • D. cannot be determined
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19 . If xy>0 and yz<0, which of the followings must be negative?
  • A. xyz
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20 . If xy>0 and yz<0, which of the following must be negative?
  • A. xyz
  • B. xyz2
  • C. zy2z
  • D. xy2z2
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21 . If xy>0 and x<0, which of the following must be negative?
  • A. -x
  • B. y
  • C. -y
  • D. (x-y)
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22 . If xy = 2 and xy2= 8 , what is the value of x?
  • A. 1/2
  • B. 2
  • C. 4
  • D. 8
  • E. 16
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23 . If x>y>1 and xy=z, which of the following is true?
  • A. y
  • B. y=z
  • C. z=1
  • D. none of these
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24 . If x-y=2 and xy=80. What is the value of x3-y3?
  • A. 520
  • B. 488
  • C. 380
  • D. 466
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25 . If x and y are negative integers and x-y=1, which is the least possible value for xy?
  • B. 1
  • C. 2
  • D. 3
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26 . If x = y = 2z and xyz = 256 then what is the value of x?
  • A. 12
  • B. 8
  • C. 16
  • D. 6
  • E. None of them
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27 . If x = 2y =3z and xyz =36 , what is the value of z?
  • A. 2
  • B. root 2
  • C. root 3
  • D. 3
  • E. None of them
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28 . If (x-y) = 10, and xy = 75, what is the value of x ?
  • A. 15
  • B. 5
  • C. 10
  • D. 20
  • E. 25
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29 . 3x+2y=7 এবং 2x=y হলে (x,y) হবে-
  • A. (2, 1)
  • B. (3, 1)
  • C. (1, 2)
  • D. (-1, -2)
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30 . 3x+2y=15 সমীকরটির সমাধান কতটি?
  • A. একটি
  • B. দুইটি
  • C. একটিও না
  • D. অসীম
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স্বরাষ্ট্র মন্ত্রণালয়ের আনসার ও ভিডিপি অধিদপ্তরের সার্কেল অ্যাডজুটেন্ট/উপজেলা আনসার ও ভিডিপি কর্মকর্তা/সহকারী অ্যাডজুটেন্ট-২৬.১২.২০১৫
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