CUET admission questions 2009-10 (Chittagong University of Engineering & Technology)

Chemistry 2nd Paper

1. 1.দ্রবণের ঘনমাত্রার কোন একক তাপমাত্রার পরিবর্তনের সাথে পরিবর্তিত হয় না?

   1. A.নরমালিটি
   2. B.মোলারিটি
   3. C.মোলালিটি
   4. D.None of them

Higher Math 1st Paper

1. 2.When $a = b$ in the equation $\cos^2 \theta = \frac{(a+b)^2}{4ab}$, the value of $\theta$ will be-

   1. A.$0^o$
   2. B.$90^o$
   3. C.$45^o$
   4. D.None of these

2. 3.$\alpha$ and $\beta$ are two positive acute angles and $\cos 2\alpha = \frac{3 \cos 2\beta - 1}{3 - \cos 2\beta}$. Which of the following relation is correct?

   1. A.$\tan \alpha = \pm \tan 2\beta$
   2. B.$\tan \alpha = \sqrt{3} \tan \beta$
   3. C.$\tan \alpha = \pm \sqrt{3} \cot \beta$
   4. D.$\tan \alpha = \pm \sqrt{2} \tan \beta$

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