The 'Philadelphia chromosome' is found in patients suffering from:

The number of unit cells in $58.5 \ g$ of $NaCl$ is nearly

Which plant-derived latex is used as an alternative to rubber?

Let $f$ be a differentiable function satisfying $f(x + 2y) = 2yf(x) + xf(y) - 3xy + 1$ for all $x, y \in R$ such that $f'(0) = 1$. Then $f(2)$ is equal to:

If $z=1+i\sqrt{3}$,then $|\operatorname{Arg} z|+|\operatorname{Arg} \bar{z}|$ is equal to

$(a+b) \cdot (b+c) \times (a+b+c)$ is equal to