91 . logx25 = 2 হলে, x এর মান কত?
- B. 5
- C. 2
- D. √5
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93 . 3/2 + log223/2 = কত?
- B. 1
- C. 3/2
- D. 2/5
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94 . log66√6 × logaa4 = কত?
- A. 7
- B. 6
- C. 5
- D. 4
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95 . logx100 = 2 হলে, x এর মান কত?
- B. 10
- C. 2√3
- D. 2
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96 . logx400 = 4 হলে, x এর মান কত?
- A. 8
- B. 2√5
- C. 3√5
- D. 4
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97 . 2- 1 × 3- 1 × 23 = কত?
- A. 9
- B. 4/3
- C. 2/3
- D. 4
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98 . loga3b3/a3 + logb3c3/d3 + logc3d3/c3 - 3logb2c = কত?
- A. 8
- C. 2
- D. 1
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99 . 5log5 - log25 = কত?
- A. 3log2
- B. 5log5
- C. 2log5
- D. 3log5
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100 . (x-1 + y-1)-1 এর সরলকৃত রাশি কোনটি?
- A. y/(x - y)
- B. xy/(x + y)
- C. x/(x + y)
- D. xy/(x - y)
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101 . logx1/9 = -2 হলে এর x মান কত?
- A. x = 2
- B. x = 3
- C. x = 4
- D. x = 2.5
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102 . সরল করুনঃ log27 + log8 - log1000log1.2
- A. 4/5
- B. 5/7
- C. 3/2
- D. 2/3
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103 . ৬৪ এর ২ ভিত্তিক লগারিদম কত?
- A. ৫
- B. ৪
- C. ৩
- D. ৬
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104 . 3.2n - 4.2n-2 = কত?
- A. 2n + 1
- B. 2n - 1
- C. 3
- D. 2n
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105 . 2^n + 1 - 2n = কত?
- A. 2
- B. 2^n
- C. 4
- D. 2^n + 1
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