Which of the following carries glucose from the digestive tract to the liver?

The resultant gate and its Boolean expression in the given circuit is

The volume of an air bubble becomes three times as it rises from the bottom of a lake to its surface. Assuming atmospheric pressure to be $75\, cm$ of $Hg$ and the density of water to be $1/10$ of the density of mercury,the depth of the lake is ....... $m$.

Which of the following options is correct for an object having a straight-line motion represented by the following graph?

$A$ body $A$ starts from rest with an acceleration $a_1$. After $2 \ s$,another body $B$ starts from rest with an acceleration $a_2$. If they travel equal distance in the $5^{th} \ s$ after the start of $A$,then the ratio $a_1 : a_2$ is equal to

The equation of the parabola with the focus $(3,0)$ and the directrix $x+3=0$ is: