JU Admission Test 2015-2016 (Unit-A, Set-5)

1. A wire of resistance $R$ has been extended so that its length becomes 4 times \& area of cross section becomes $\frac{1}{4}$. Afterwards, it was cut into 4 equal parts \& connceted in series. Equivalent resistance will be -

2. What will be the centre & radius of the circle $x^{2}+y^{2}+6 x-4 y-12=0$ ?

3. If $\sec \theta=\frac{2}{\sqrt{3}} \& \frac{3 \pi}{2} \leq \theta \leq 2 \pi, \sin \theta=$ ?

4. Shalban Bihar is situated in -

5. ইংরেজী “Autocracy" শব্দের বাংলা কী?