Match the following

List - I	List - II
(Name of Alloy)	(Composition)
P) Brass	A) $\mathrm{Cu}+\mathrm{Sn}$
Q) Bronze	B) $\mathrm{Cu}+\mathrm{Zn}+\mathrm{Ni}$
R) German silver	C) $\mathrm{Cu}+\mathrm{Zn}$
S) Duralumin	D) $\mathrm{Cu}+Al$

1.Brass - 60% Copper $\left(\mathrm{Cu}\right)$ and 40% Zinc $\left(\mathrm{Zn}\right)$

2.Bronze - 85% Copper $\left(\mathrm{Cu}\right)$ and 15% Tin

3 .German silver - 60% of Copper $\left(\mathrm{Cu}\right)$ ,20% of Zinc $\left(\mathrm{Zn}\right)$ and 20% of Nickel(Ni)

4.Duralumin - $95\%$Aluminium$\left(\mathrm{Al}\right)$, $4\%$ of Copper $\left(\mathrm{Cu}\right)$and 1% Magnesium and Manganese.