19 days of March 2015 . \( \begin{array}{llll}\text { (1) } ₹ 1530 & \text { (2) } ₹ 1260 & \text { (3) } ₹ 1620 & \text { (4) } ₹ 1710\end{array} \) \( x \propto \frac{1}{y} \). When \( y=6, x=14 \). What is the constant of variation ? \( \begin{array}{llll}\text { (1) } 94 & \text { (2) } 84 & \text { (3) } 82 & \text { (4) } 72\end{array} \) If \( x \) varies directly as \( y \), which number will replace the question

If \( n \in \mathrm{n}, \mathrm{n}<\sqrt{26}<\mathrm{n}+1 \), then \( n=\ldots \) The arithmetic mean of the set of values : \( 3-x, 5+x, 4 \) equals

The degree of the algebraic term \( 2 x^{3} y^{2} \) is the

2. Which one of the following is a polynomial function? \( \begin{array}{llll}\text { A. }\left|x^{3}+1\right| & \text { B. } \sqrt{x^{4}-9 x^{2}+9} & \text { C. } \sqrt{x^{4}+10 x^{2}+25}+\frac{3}{\sqrt{5}} & \text { D. } 4^{x}-x^{2}+2 x\end{array} \)

\( C(n, 2)=3 \cdot C(n, 3) \) olduğuna göre, \( C(n, 2) \) kaçtır? \( \begin{array}{llll}\text { A) } 2 & \text { B) } 3 & \text { C) } 4 & \text { D) } 5\end{array} \)

6. \( 1389 k \star<3607 \) Yukarıdaki sıralamaya göre \( \star \) yerine yazı- labilecek rakamları farklı en küçük tek sayı ile rakamları farklı en büyük doğal sayının toplamı kaçtır? \( \begin{array}{ll}\text { A) } 4990 & \text { B) } 4997 \\ \text { C) } 4998 & \text { D) } 5000\end{array} \)