Vitamin $B_1$ is

If the centroid of the triangle formed by the lines $2y^2 + 5xy - 3x^2 = 0$ and $x + y = k$ is $\left(\frac{1}{18}, \frac{11}{18}\right)$,then the value of $k$ equals $............$

In a rectangle $ABCD$ where $BC = 2AB$,the moment of inertia will be minimum along which of the following axes?

The voltage gain of a transistor in common emitter configuration is $160$. The resistances in base and collector sides of the circuit are $1 \text{ k}\Omega$ and $4 \text{ k}\Omega$ respectively. If the change in base current is $100 \mu A$, then the change in output current is:

Global agreement in specific control strategies to reduce the release of ozone depleting substances,was adopted by

Which part of the body secretes the hormone secretin?