7756 . 3/(y + 1) = 4/(y - 2) সমীকরণে y এর মান কত?
- A. - 10
- B. 3/4
- C. 4/3
- D. 10
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7757 . x/2 + y/3 = 1, x/3 + y/2 = 1 উপরিউক্ত সমীকরণ দু'টি থেকে (x, y) এর মান কত?
- A. (6/5, 6/5)
- B. (3/6, 3/6)
- C. (2/3, 2/3)
- D. (1/2, 1/2)
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7758 . 15x - 9 = 11x - 25 হলে x এর মান কত?
- A. x = 2
- B. x = 9
- C. x = - 4
- D. x = 4
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7759 . x/5 + 4 = 3x/10 + 6 এর সঠিক সমাধান কোনটি?
- A. x = 15
- B. x = 10
- C. x = - 20
- D. x = - 20
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7760 . x/2 - x/3 = x/5 - 1/6 এর সঠিক সমাধান কোনটি?
- A. x = 15
- B. x = 2
- C. x = 10
- D. x = 5
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7761 . (x + 1) (x + 2) = (x + 4) (x - 2) এর সঠিক সমাধান কোনটি?
- A. x = - 5
- B. x = 5
- C. x = 10
- D. x = - 10
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7762 . 6(2x + 3) = 14x এর সঠিক সমাধান কোনটি?
- A. 4
- B. 6
- C. 9
- D. 12
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7763 . 5(2x - 1) = 4(2x + 1) + 7 এর সঠিক সমাধান কোনটি?
- A. x = 32
- B. x = 16
- C. x = 8
- D. x = 4
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7764 . x/(x - 2) = 3 এর সঠিক সমাধান কোনটি?
- A. 6
- B. 4
- C. 3
- D. 2
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7765 . (3x + 1)/5 = (2x - 7)/3 এর সঠিক সমাধান কোনটি?
- A. x = 55
- B. x = 45
- C. x = 38
- D. x = 28
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7766 . (2x - 1) (x + 3) = 2x(x + 1) এর সঠিক সমাধান কোনটি?
- A. x = 9
- B. x = 3
- C. x = 2
- D. x = 1
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7767 . 3x + 9 = - 3(2x + 3) সমীকরণে x এর মান কত?
- A. - 8
- B. 4
- C. - 2
- D. 2
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7768 . x/a + a = x/b + b সমীকরণে x এর মান কত?
- A. a + b
- B. ab
- C. b
- D. a
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7769 . x + 2y = 3, 4x - y = 3 সমীকরণে x এবং y এর মান কত?
- A. x = 1 এবং y = 5
- B. x = 4 এবং y = 5
- C. x = 2 এবং y = 3
- D. x = 1 এবং y = 1
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7770 . ax + by = a2 + b2 এবং 2bx - ay = ab সমীকরণে (x, y) এর মান কত?
- A. (3a, 4b)
- B. (2a, b)
- C. (b, a)
- D. (a, b)
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