How many of the following plants produce a composite fruit that develops from an inflorescence? Walnut,Poppy,Radish,Fig,Pineapple,Apple,Tomato,Mulberry.

If $\left|\begin{array}{ccc}x & x^2 & 1+x^3 \\ y & y^2 & 1+y^3 \\ z & z^2 & 1+z^3\end{array}\right|=0$ and $x \neq y \neq z$,then $1+x y z$ is equal to

What is formed when $PCl_3$ reacts with water?

In the circuit shown below,the ammeter reading is zero. Then the value of the resistance $R$ is (in $\Omega$)

$\int(x+1)^2 e^x d x$ is equal to

$A$ ball $P$ collides with another identical ball $Q$ at rest. For what value of coefficient of restitution $e$,will the velocity of ball $Q$ become two times that of ball $P$ after collision?