1681 . x+y=8 , x-y=6 হলে , এর মান_-
- A. 40
- B. 60
- C. 50
- D. 80
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1683 . সমীকরণের মূল তিনটি হলে এর মান হবে_
- A. 6
- B. 1
- C.
- D. -1
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1684 . সমীকরণ কি নির্দেশ করে?
- A. Parabola
- B. Ellipse
- C. circle
- D. hyperola
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1685
.
- A. অর্ধবৃত্ত
- B. বৃত্ত
- C. উপবৃত্ত
- D. সরলরেখা
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1686 . সাধারন দ্বিঘাত সমীকরণ এর মূল দুটি হলোঃ
- A.
- B.
- C.
- D.
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1687 . If 2x+y> 10, then 4x+3y must be
- A. greater than 20
- B. Smaller than 22
- C. Equal to 21
- D. Equal to 21
- E. None of these
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1688 . If (x+y) =(y+y+y) and (x+y)= 5, then what is the value of ( ?
- A. 12
- B. 13
- C. 14
- D. 15
- E. None of these
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1689 . If x+y=7 and which one the following equals the value of
- A. 25
- B. 81
- C. 64
- D. 91
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1691 . যদি x+y=১৭, এবং xy = ৬০ হয় তবে x-y এর মান কত?
- A. ৯
- B. ৫
- C. ৭
- D. ৮
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1692 . x + 2y = 8, 2x + y = 7 সমীকরণের সমাধান কোনটি?
- A. 8,0
- B. 6,1
- C. 3,3
- D. 2,3
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1693 . If b < 2 and 2x - 3b = 0,which of the following must be true ?
- A. x > -3
- B. x < 2
- C. x = 3
- D. x < 3
- E. x > 3
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1694 . If x > y, and w < x, which of the following is always true ?
- A. z > w
- B. y > w
- C. y = w
- D. z < x
- E. x < 2
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1695 . অসমতাটির সমাধান করুন।
- A. {-2,1}
- B. {-2,1}
- C. (− ∞,-২)
- D. ∪ (1 ,∞)
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